Table 3.

Meta-analysis based on stage of treatment

Tools	Groups	Studies (n)	Effect size and 95% CI					Test of null (two-tailed)
			Point estimate	SE	Variance	Lower limit	Upper limit	Z value	P value
Other tools	Treated	21	64.19	4.21	17.69	55.95	72.44	15.26	0.00
	Under treatment	22	62.77	2.14	4.60	58.57	66.98	29.28	0.00
FACT-B	Treated	11	84.35	12.76	162.73	59.35	109.35	6.61	0.00
	Under treatment	6	84.46	22.39	501.33	40.58	128.35	3.77	0.00