Table 1.

Event rates for primary and secondary outcomes comparing control and COVID-19 period

Measure	n	Control cohort (n=122)	COVID-19 cohort (n=18)	P-value
Mode of anaesthesia, n (%):	137			<0.01§
GA		48/119 (40.3%)	0/18 (0%)
Epidural top-up		19/119 (16.0%)	2/18 (11.1%)
Spinal		51/119 (42.9%)	16/18 (88.9%)
Spinal to GA conversion		1/119 (0.8%)	0/19 (0%)
RA utilisation, n (%):	137	70/119 (58.8%)	18/18 (100%)	<0.01§
Overall decision-to-delivery interval, median [IQR], min	135	25 [16–31]	27.5 [19.8–33.0]	0.42†
Overall theatre-to-delivery interval, median [IQR], min	134	18 [12–24]	20.0 [14.7–23.3]	0.47†
Neonatal resuscitation, n (%)	140	37 (30.3%)	4 (22.2%)	0.48§
Apgar score <7 at 5 min, n (%)	130	10 (8.8%)	1 (5.8%)	0.68§
Missing data, n		9	1
Neonatal unit admission, n (%)	140	25 (20.4%)	6 (33.3%)	0.22§

GA: general anaesthesia. RA: regional anaesthesia.

^§denotes tests performed using Pearson’s exact statistic, and † denotes tests performed using Wilcoxon rank sum statistic.