Comparison 4. Cephalosporins versus penicillins ‐ by route of administration.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Maternal sepsis	4	653	Risk Ratio (M‐H, Random, 95% CI)	2.90 [0.46, 18.17]
1.1 Intravenous administration	3	366	Risk Ratio (M‐H, Random, 95% CI)	2.90 [0.46, 18.17]
1.2 Lavage/infiltration	1	287	Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
1.3 Route of administration not specified	0	0	Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
2 Maternal endometritis	20	5390	Risk Ratio (IV, Fixed, 95% CI)	1.12 [0.92, 1.37]
2.1 Intravenous administration	18	4899	Risk Ratio (IV, Fixed, 95% CI)	1.18 [0.94, 1.49]
2.2 Lavage/infiltration	2	491	Risk Ratio (IV, Fixed, 95% CI)	0.96 [0.65, 1.43]
2.3 Route of administration not specified	0	0	Risk Ratio (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]
3 Infant sepsis	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
3.1 Intravenous administration	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
3.2 Lavage/infiltration	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
3.3 Route of administration not specified	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
4 Infant oral thrush	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
4.1 Intravenous administration	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
4.2 Lavage/infiltration	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
4.3 Route of administration not specified	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]