Carbamazepine (All indications)

Low Apgar score (< 7) (at 5 min)

R analysis
id Study   Lib. in paper Exposition period    Study type  Control type 
 
Tags OR 95%CI x1/n1 x0/n0 no cases no exposed ROB Ref.
S9760
R34845
Bank (Carbamazepine) (Mixed indications), 2017 Apgar < 7 at 5 minutes during pregnancy (anytime or not specified) prospective cohort exposed to other treatment, sick Adjustment: No 4.73 [0.09;258.01] C 0/8   0/36 0 8
ref
S9757
R34839
Christensen (Carbamazepine) (Controls exposed to Lamotrigine, sick) (Mixed indications), 2015 Low Apgar score (≤ 7) at 5 min during pregnancy (anytime or not specified) population based cohort propective exposed to other treatment, sick excluded Adjustment: No 2.32 [0.94;5.77] C
excluded (control group)
9/344   10/875 19 344
ref
S9758
R34840
Christensen (Carbamazepine) (Controls unexposed NOS) (Mixed indications), 2015 Low Apgar score (≤ 7) at 5 min during pregnancy (anytime or not specified) population based cohort propective unexposed (general population or NOS) excluded Adjustment: No 2.00 [1.06;3.80]
excluded (control group)
9/344   8,797/674,115 8,806 344
ref
S9759
R34841
Christensen (Carbamazepine) (Controls unexposed, sick) (Mixed indications), 2015 Low Apgar score (≤ 7) at 5 min during pregnancy (anytime or not specified) population based cohort propective unexposed, sick Adjustment: No 2.08 [1.03;4.21] C 9/344   67/5,261 76 344
ref
S9598
R33994
Artama (Carbamazepine) (Controls exposed to Lamotrigine, sick), 2013 5-min Apgar <7 3rd trimester population based cohort retrospective exposed to other treatment, sick excluded Adjustment: No 0.35 [0.06;2.12] C
excluded (control group)
2/248   3/132 5 248
ref
S9599
R34006
Artama (Carbamazepine) (Controls unexposed, disease free), 2013 5-min Apgar <7 3rd trimester population based cohort retrospective unexposed, disease free excluded Adjustment: Yes 0.85 [0.21;3.42]
excluded (control group)
2/248   3,014/269,151 3,016 248
ref
S9600
R34018
Artama (Carbamazepine) (Controls unexposed, sick), 2013 5-min Apgar <7 3rd trimester population based cohort retrospective unexposed, sick Adjustment: Yes 1.08 [0.20;5.15] 2/248   3/652 5 248
ref
S9743
R34759
Veiby (Carbamazepine) (Controls exposed to Lamotrigine, sick) b, 2013 Low Apgar score (< 7 at 5 min) during pregnancy (anytime or not specified) prospective cohort exposed to other treatment, sick excluded Adjustment: No 0.30 [0.01;6.40] C
excluded (control group)
0/67   2/103 2 67
ref
S9745
R34778
Veiby (Carbamazepine) (Controls unexposed, disease free) b, 2013 Low Apgar score (< 7 at 5 min) during pregnancy (anytime or not specified) prospective cohort unexposed, disease free excluded Adjustment: No 0.46 [0.03;7.47] C
excluded (control group)
0/67   1,710/106,899 1,710 67
ref
S9746
R34792
Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013 Low Apgar score (< 7 at 5 min) during pregnancy (anytime or not specified) prospective cohort unexposed, sick Adjustment: No 0.30 [0.02;5.18] C 0/67   9/386 9 67
ref
S9640
R34298
Pennell (Carbamazepine), 2012 Apgar score (at 5 minutes < 7) during pregnancy (anytime or not specified) prospective cohort exposed to other treatment, sick Adjustment: No 3.23 [0.13;80.44] C 1/91   0/97 1 91
ref
S9751
R34820
Borthen (Carbamazepine) (Controls exposed to Lamotrigine, sick), 2010 Apgar < 7 after 5 minutes during pregnancy (anytime or not specified) population based cohort retrospective exposed to other treatment, sick excluded Adjustment: No 0.94 [0.36;2.46] C
excluded (control group)
11/388   7/233 18 388
ref
S9753
R34828
Borthen (Carbamazepine) (Controls unexposed, disease free), 2010 Apgar < 7 after 5 minutes during pregnancy (anytime or not specified) population based cohort retrospective unexposed, disease free excluded Adjustment: Yes 1.70 [0.90;3.10]
excluded (control group)
11/388   6,022/362,302 6,033 388
ref
S9755
R34836
Borthen (Carbamazepine) (Controls unexposed, sick), 2010 Apgar < 7 after 5 minutes during pregnancy (anytime or not specified) population based cohort retrospective unexposed, sick Adjustment: No 1.78 [0.89;3.59] C 11/388   30/1,863 41 388
ref
Total 6 studies 1.79 [1.13;2.84] 132 1,146
x1: number of endpoints among exposed, n1: number of exposed; x0: number of endpoints among non exposed, n0: number of non exposed; C: calculated odds ratio from numbers of events and effectives

Forest plot

StudyTE95% CIn casesn exposedweightROBABCDEF Bank (Carbamazepine) (Mixed indications), 2017Bank, 2017 1 4.73[0.09; 258.01]081%ROB confusion: criticalROB selection: lowROB classification: lowROB missing: lowROB mesure: moderateROB reporting: moderate Christensen (Carbamazepine) (Controls unexposed, sick) (Mixed indications), 2015Christensen, 2015 2 2.08[1.03; 4.21]7634443%ROB confusion: criticalROB selection: lowROB classification: moderateROB missing: lowROB mesure: moderateROB reporting: moderate Artama (Carbamazepine) (Controls unexposed, sick), 2013Artama, 2013 3 1.08[0.20; 5.15]52488%ROB confusion: seriousROB selection: lowROB classification: criticalROB missing: lowROB mesure: moderateROB reporting: moderate Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013Veiby, 2013 4 0.30[0.02; 5.18]9673%ROB confusion: criticalROB selection: lowROB classification: lowROB missing: moderateROB mesure: moderateROB reporting: moderate Pennell (Carbamazepine), 2012Pennell, 2012 5 3.23[0.13; 80.44]1912%ROB confusion: NAROB selection: NAROB classification: NAROB missing: NAROB mesure: NAROB reporting: NA Borthen (Carbamazepine) (Controls unexposed, sick), 2010Borthen, 2010 6 1.78[0.89; 3.59]4138843%ROB confusion: criticalROB selection: lowROB classification: moderateROB missing: unclearROB mesure: moderateROB reporting: moderate Total (6 studies) I2 = 0% 1.79[1.13; 2.84]1321,1460.210.01.0ROB: A: confusion, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

1: Carbamazepine) (Mixed indications; 2: Carbamazepine) (Controls unexposed, sick) (Mixed indications; 3: Carbamazepine) (Controls unexposed, sick; 4: Carbamazepine) (Controls unexposed, sick) ; 5: Carbamazepine; 6: Carbamazepine) (Controls unexposed, sick;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 1.79[1.13; 2.84]1321,1460%NABank (Carbamazepine) (Mixed indications), 2017 Christensen (Carbamazepine) (Controls unexposed, sick) (Mixed indications), 2015 Artama (Carbamazepine) (Controls unexposed, sick), 2013 Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013 Pennell (Carbamazepine), 2012 Borthen (Carbamazepine) (Controls unexposed, sick), 2010 6 case control studiescase control studies 0 Type of controls unexposed, sickunexposed, sick 1.75[1.09; 2.79]1311,0470%NAChristensen (Carbamazepine) (Controls unexposed, sick) (Mixed indications), 2015 Artama (Carbamazepine) (Controls unexposed, sick), 2013 Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013 Borthen (Carbamazepine) (Controls unexposed, sick), 2010 4 exposed to other treatment, sickexposed to other treatment, sick 3.76[0.31; 45.98]1990%NABank (Carbamazepine) (Mixed indications), 2017 Pennell (Carbamazepine), 2012 2 Tags Adjustment   - No  - No 1.87[1.16; 3.03]1278980%NABank (Carbamazepine) (Mixed indications), 2017 Christensen (Carbamazepine) (Controls unexposed, sick) (Mixed indications), 2015 Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013 Pennell (Carbamazepine), 2012 Borthen (Carbamazepine) (Controls unexposed, sick), 2010 5   - Yes  - Yes 1.08[0.21; 5.48]5248 -NAArtama (Carbamazepine) (Controls unexposed, sick), 2013 1 All studiesAll studies 1.79[1.13; 2.84]1321,1460%NABank (Carbamazepine) (Mixed indications), 2017 Christensen (Carbamazepine) (Controls unexposed, sick) (Mixed indications), 2015 Artama (Carbamazepine) (Controls unexposed, sick), 2013 Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013 Pennell (Carbamazepine), 2012 Borthen (Carbamazepine) (Controls unexposed, sick), 2010 60.110.01.0

Publication bias and p-hacking diagnosis

funnel plot
0.0-4.85.42.4480.000Bank (Carbamazepine) (Mixed indications), 2017Christensen (Carbamazepine) (Controls unexposed, sick) (Mixed indications), 2015Artama (Carbamazepine) (Controls unexposed, sick), 2013Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013Pennell (Carbamazepine), 2012Borthen (Carbamazepine) (Controls unexposed, sick), 2010

Asymetry test p-value = 0.5960 (by Egger's regression)

slope=0.7290 (0.3087); intercept=-0.3086 (0.5365); t=0.5751; p=0.5960

p values plot
0.01.00.01.0

Sub-groups analysis using all included studies

excluded 9751, 9753, 9598, 9599, 9743, 9745, 9757, 9758

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 1.66[1.09; 2.53]19,5651,0470%NAChristensen (Carbamazepine) (Controls unexposed NOS) (Mixed indications), 2015 Artama (Carbamazepine) (Controls unexposed, disease free), 2013 Veiby (Carbamazepine) (Controls unexposed, disease free) b, 2013 Borthen (Carbamazepine) (Controls unexposed, disease free), 2010 4 unexposed, sick controlsunexposed, sick controls 1.75[1.09; 2.79]1311,0470%NAChristensen (Carbamazepine) (Controls unexposed, sick) (Mixed indications), 2015 Artama (Carbamazepine) (Controls unexposed, sick), 2013 Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013 Borthen (Carbamazepine) (Controls unexposed, sick), 2010 4 exposed to other treatment, sick controlsexposed to other treatment, sick controls 1.24[0.63; 2.43]451,14611%NABank (Carbamazepine) (Mixed indications), 2017 Christensen (Carbamazepine) (Controls exposed to Lamotrigine, sick) (Mixed indications), 2015 Artama (Carbamazepine) (Controls exposed to Lamotrigine, sick), 2013 Veiby (Carbamazepine) (Controls exposed to Lamotrigine, sick) b, 2013 Pennell (Carbamazepine), 2012 Borthen (Carbamazepine) (Controls exposed to Lamotrigine, sick), 2010 60.510.01.0