Table 4. Statistical comparisons of each urodynamic criteria for the diagnosis of detrusor underactivity.

Criteria	No. of positive	Concordance of each criteria		Positive fraction ratio	p-value
		No. of positive	No. of negative
Men
BCI criteria vs.
AG number criteria	557	371	1,336	3.36	<0.001
PdetQmax 30 criteria	181	181	1,482	10.35	<0.001
BVE criteria	345	344	1,520	5.43	<0.001
AG number criteria vs.
BCI criteria	1,873	371	1,336	0.3	<0.001
PdetQmax 30 criteria	181	114	2,745	3.08	<0.001
BVE criteria	345	253	2,708	1.61	<0.001
PdetQmax 30 criteria vs.
BCI criteria	1,873	181	1,482	0.1	<0.001
AG number criteria	557	114	2,745	0.32	<0.001
BVE criteria	345	98	2,946	0.52	<0.001
BVE criteria vs.
BCI criteria	1,873	344	1,520	0.18	<0.001
AG number criteria	557	253	2,708	0.62	<0.001
PdetQmax 30 criteria	181	98	2,946	1.91	<0.001
Women
Qmax/PVR criteria vs.
PdetQmax 30 criteria	97	9	822	1.56	<0.001
BVE criteria	65	13	829	2.32	<0.001
PdetQmax 30 criteria vs.
Qmax/PVR criteria	151	9	822	0.64	<0.001
BVE criteria	65	22	886	1.49	NS
BVE criteria vs.
Qmax/PVR criteria	151	13	829	0.43	<0.001
PdetQmax 30 criteria	97	22	886	0.67	NS

BCI, bladder contractility index; AG number, Abrams-Griffith number; Qmax, maximal flow rate; PdetQmax, detrusor pressure at Qmax; BVE, bladder voiding efficiency; PVR, postvoid residual; NS, not significant.