Table 2.

Clinical findings of participants with and without hydronephrosis

Clinical Finding	No Hydronephrosis (N = 125)	Hydronephrosis (N = 55)	P
Systolic blood pressure (mm Hg), mean (SD)	131.2 (19.5)	136.8 (18.3)	.07^*
Diastolic blood pressure (mm Hg), mean (SD)	75.0 (10.9)	75.4 (10.2)	.81^*
Uterine size on bimanual exam (wk), median (range)	6 (5–18)	6 (6–12)	.1^†
Positive Q-tip test (%)	100	100	n/a
POP-Q measures, median (range)
Genital hiatus	5 (2–8) (n = 120)	5 (3–8) (n = 52)	.54^†
Perineal body	3 (0–6) (n = 120)	3 (2–5) (n = 52)	.9^†
Total vaginal length	8 (5.5–11) (n = 120)	8.5 (5–11) (n = 51)	.022^†
Cervix	1 (−6 to 8.5) (n = 122)	4.5 (−5 to −11) (n = 54)	<.001^†
D	−4 (−7 to −4) (n = 120)	−1 (−7 to −11) (n = 53)	<.001^†
Aa	2 (0–3) (n = 125)	3 (−1 to −3) (n = 55)	<.001^†
Ba	3 (0–8) (n = 125)	5 (0–11) (n = 55)	<.001^†
Ap	0 (−3 to −3) (n = 122)	0 (−2 to −3) (n = 52)	.13^†
Bp	0 (−3 to 7) (n = 122)	0 (−2 to 9) (n = 52)	.2^†
Post void residual (mL), mean (SD)	38.5 (54.0) (n = 120)	64.8 (62.6) (n = 49)	.007^‡
Maximum cystometric capacity (mL), mean (SD)	476.7 (105.5) (n = 113)	525.2 (156.4) (n = 45)	.02^‡
Maximum flow rate (mL/s), mean (SD)	21.1 (13.2) (n = 107)	18.4 (11.6) (n = 41)	.26^‡
Detrusor pressure at maximum flow rate (cm H₂O), mean (SD)	29.6 (18.7) (n = 105)	35.5 (19.7) (n = 40)	.095^‡
Maximum detrusor pressure (cm H₂O), mean (SD)	49.7 (27.4) (n = 105)	55.9 (24.5) (n = 41)	.21^‡
Valsalva leak point pressure (cm H₂O), mean (SD)	63.6 (35.2) (n = 18)	74.7 (28.2) (n = 12)	.36^‡
Volume at first leakage of urine (mL), mean (SD)	280.8 (164.2) (n = 92)	204.5 (134.5) (n = 40)	.011^‡
Presence of bladder outlet obstruction	24.3% (n = 103)	38.5% (n = 39)	.099^§
Blood urea nitrogen level (mg/dL), mean (SD)	14.8 (4.6)	17.1 (8.9)	.03^‡
Creatinine level (mg/dL), mean (SD)	0.64 (0.18)	0.7 (0.28)	.15^‡

Abbreviation as in Table 1.

Student t test.

^†

Wilcoxon rank sum test.

^‡

Analysis of variance.

^§

Chi-square test.