Table 2. Comparison of urodynamic parameters between the two groups.

Variable		Group 1 (AND) No. = 22	Group 2 (PND) No. = 28	P Value
Bladder Capacity (mL)
	Mean ± SD (Range)	280 ± 110 (115-480)	274 + 152 (80-800)	0.87
Percent Capacity#
	Mean ± SD (Range)	1.010 ± 0.46 (0.27-1.78)	1.004+0.52 (0.38-2.96)	0.96
Compliance (mL/cmH2O)
	Mean ± SD (Range)	17.87 ± 9 (8-40)	16.23 + 6.66 (6-28)	0.45
Detrusor Overactivity
	Yes	13 (59%)	18 (65%)	0.07
	No	9 (41%)	10 (35%)
Postvoid Residual (PVR)
	Mean ± SD (Range)	64 ± 75 (10-300)	99 + 116 (10-620)	0.21
Percent PVR
	(PVR/15%Capacity)	1.44 ± 1.22 (0.35-4.44)	3.27 ± 2.11 (0.40-7.75)	0.002*
Q Max (mL/s)
	Mean ± SD (Range)	13 ± 4.7 (6-25)	11.6 ± 4.4 (5-22)	0.24

^#Capacity/Expected Capacity

^*Significant

AND, antenatal diagnosis; PND; postnatal diagnosis; SD, standard deviation

P value is calculated using Chi Square and Levene's independent sample tests.