Table 1.

Patient characteristics of control group and median nerve group for radial artery cannulation

	Control (N = 46)	Median nerve (N = 46)	p-value
Age(y)	32 ± 5	32 ± 4	0.602
Estimated gestational age (wk)	37.4 ± 1.8	37.5 ± 1.6	0.618
Body mass index (kg/m2)	27 ± 4	27 ± 3	0.933
Baseline systolic pressure (mm Hg)	137 ± 15	137 ± 15	0.955
Baseline diastolic pressure (mm Hg)	80 ± 13	79 ± 10	0.593
Baseline heart rate (bpm)	84 ± 15	84 ± 15	0.961
Preeclampsia			> 0.999
Mild	31(67.4%)	32(69.6%)
Severe	15(32.6%)	14(30.4%)
Antihypertension treatment			0.770
Labetolol	14(30.4%)	13(28.3%)
Nicardipine	3(6.5%)	5(10.9%)
Nifedipine	0(0%)	0(0%)
Magnesium	4(8.7%)	6(13.0%)

Values are mean ± SD or number (proportion)