Table II.

Compliance of each item of the Preferred Reporting Items for Systematic Reviews and Meta-analyses checklist

PRISMA item	Adequate	Adequate, %	Inadequate	Inadequate, %	Not described	Not described, %	N/A	N/A, %	Total possible minus N/A	Studies adequately reporting each item when applicable, %
3	166	100	0	0	0	0	0	0	166	100
26	166	100	0	0	0	0	0	0	166	100
14	69	42	0	0	3	2	94	57	72	96
6	154	93	0	0	12	7	0	0	166	93
9	153	92	0	0	13	8	0	0	166	92
1	150	90	0	0	16	10	0	0	166	90
25	150	90	0	0	16	10	0	0	166	90
11	149	90	0	0	17	10	0	0	166	90
20	148	89	9	5	9	5	0	0	166	89
27	147	89	0	0	18	11	1	1	165	89
23	48	29	0	0	6	4	112	67	54	89
2	147	89	0	0	19	11	0	0	166	89
7	147	89	0	0	19	11	0	0	166	89
21	64	39	0	0	9	5	93	56	73	88
17	140	84	0	0	26	16	0	0	166	84
13	114	69	0	0	29	17	23	14	143	80
4	130	78	36	22	0	0	0	0	166	78
18	129	78	0	0	37	22	0	0	166	78
10	126	76	0	0	40	24	0	0	166	76
8	111	67	0	0	55	33	0	0	166	67
15	45	27	0	0	27	16	94	57	72	63
16	44	27	0	0	28	17	94	57	72	61
24	88	53	78	47	0	0	0	0	166	53
19	54	33	0	0	112	67	0	0	166	33
22	44	27	58	35	63	38	1	1	165	27
12	39	23	28	17	99	60	0	0	166	23
5	25	15	21	13	120	72	0	0	166	15

PRISMA items 3 and 26 had 100% compliance, whereas PRISMA items 5 and 12 had the least compliance.

PRISMA, Preferred Reporting Items for Systematic Reviews and Meta-analyses.