Table 5.

Data comparing failed spinal anesthesia group and control group (N = 440).

Parameters	Failed spinal anesthesia (n = 110)	Control (n = 330)	P value
Neonatal birth*weight (g)	2950.6 ± 482.9	3042.9 ± 551.6	.118
Uterine incision to delivery time (min)*	2.0 ± 1.4	2.0 ± 1.4	.936
Apgar score 1 min*	7.5 ± 1.8	8.3 ± 0.9	<.001†
Apgar score 5 min*	9.2 ± 0.9	9.5 ± 0.7	<.001†
Birth asphyxia*	3 (2.7)	2 (0.6)	.102
Anesthetic duration (min)	105.7 ± 33.6	83.3 ± 19.1	<.001†
Operative duration (min)	61.3 ± 31.9	53.1 ± 15.74	.011†

Data presented as mean ± SD or n (%).

SD = standard deviation.

^*Data presented only for the first born of twins.