Table 1.

Comparison of Women with a Levator Ani Defect to Those Without a Defect in Terms of Discrete and Continuous Birth Variables

	Cases without a Defect N=131 Mean +/− SD	Cases with a Defect N=29 Mean +/−SD		Significance Level
Continuous Variables
Age (years)	29.3±4.7	32.8±5.9		0.0011
Gestational Age (Weeks)	39.1±1.5	39.4±1.2		0.3798
Second Stage (minutes)	92.5±67.5	170.5±117.5		0.0001
Birth Weight (kg)	3.4±0.5	3.6±0.5		0.1016
Body mass index	24.9±5.0	23.8±4.8		0.30
Head Circumference (cm)	34.9±1.4	35.5±1.5		0.0764
Discrete Variables	N (%)	N (%)	Odds Ratio (confidence intervals)	Significance Level
Race
White	83.3	16.7	2.06 (0.66–6.4)	.21
Nonwhite	70.6	29.4
Forceps Delivery	6 (4.6%)	12 (41.4%)	14.7 (4.9–44.3)	0.0001
Vacuum Delivery	10 (7.6%)	2 (6.9%)	0.9 (.19–4.3)	0.6255
Episiotomy	45 (34.4%)	18 (62.1%)	3.1 (1.3–7.2)	0.006
Anal Sphincter Rupture	22 (16.8%)	18 (62.1%)	8.1 (3.3–19.5)	0.0001
Epidural	90 (68.7%)	19 (65.5%)	0.9 (0.4–2.0)	.4481
Oxytocin	71 (54.2%)	14 (48.3%)	0.8 (0.3–1.7)	.3541