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. 2023 Nov 9;23:776. doi: 10.1186/s12879-023-08747-2

Table 2.

Meta-analysis of the delivery outcomes for the studies included

Outcome Number of studies Sample size Risk ratio (95% CI) p-value I2 Egger’s test (SE), p-value
Cesarean section 6 1627 0.665 0.008 19.5

1.62 (1.10)

P = 0.22

(0.491–0.899)
Preterm delivery 7 2501 0.874 0.50 43.5

-1.09 (1.17)

P = 0.40

(0.591- 1.294)
Admission to neonatal ICU 4 2284 1.099 0.54 4.2

-1.47 (1.00)

P = 0.28

(0.810–1.490)
Stillbirth/perinatal loss 4 1449 0.932 0.93 15.4

2.99 (5.19)

P = 0.62

(0.200–4.347)
Obstructed labor Not reported