Table 3.

The Results of Meta-analysis

Groups	Outcome	Effect Size and 95% CI					Test of Null (2-Tail)		Heterogeneity
		Number of Studies	Point Estimate	Standard Error	Lower Limit	Upper Limit	Z-Value	P	Q-Value	df (Q)	P	I 2
PTNS	Frequency	3	–2.991	0.801	–4.561	–1.421	–3.733	.000	36.521	2	.00	94.524
TTNS			3	–2.191	0.370	–2.916	–1.466	–5.922	.000	0.215	2	.90	0.000
			6	–2.623	0.491	–3.585	–1.661	–5.343	.00	38.589	5	.00	87.043
PTNS	PVR	3	–45.478	7.843	–60.849	–30.107	–5.799	.000	0.789	2	.67	0.000
TTNS			2	–14.301	3.325	–20.817	–7.784	–4.301	.000	0.007	1	.93	0.000
Total			5	–31.132	9.946	–50.625	–11.638	–3.130	.002	14.193	4	.01	71.816
PTNS	Urgency	1	–7.280	0.567	–8.392	–6.168	–12.831	.00	0.000	0	1.00	0.000
TTNS			2	–3.303	0.659	–4.594	–2.011	–5.012	.00	1.294	1	.26	22.749
Total			3	–4.696	1.504	–7.643	–1.749	–3.123	.00	25.516	2	.00	92.162
PTNS	MCC	2	80.941	12.676	56.096	105.785	6.385	.00	10.274	1	.00	90.267
TTNS			1	38.700	18.539	2.364	75.036	2.087	.04	0.000	0	1.00	0.000
Total			3	70.957	13.399	44.694	97.219	5.296	.00	18.252	2	.00	89.042
PTNS	MVV	3	75.011	18.165	39.409	110.614	4.129	.00	13.371	2	.00	85.043
PTNS	Nocturia	3	–2.036	0.189	–2.407	–1.665	–10.750	.00	5.221	2	.07	61.696
TTNS			2	–0.392	0.390	–1.156	0.373	–1.005	.315	6.257	1	.01	84.018
Total			5	–1.419	0.413	–2.229	–0.609	–3.434	.00	82.539	4	.00	95.154
PTNS	Urinary incontinence	1	–3.330	0.391	–4.096	–2.564	–8.525	.00	0.000	0	1.00	0.000
TTNS			3	–1.464	0.959	–3.344	0.416	–1.527	.127	15.023	2	.00	86.687
Total			4	–2.000	1.051	–4.061	0.060	–1.903	.057	62.842	3	.00	95.226