Table 6.

Distribution of methodology used during full text screening by initial citation set size category (n = 186)^a

Citation set size category	N	Full text screening approach (Other)	Single reviewer	Two (or more) reviewers, independence stated	Two (or more) reviewers, not independent or not stated
		N = 3	N = 14	N = 147	N = 22
		N (%)	N (%)	N (%)	N (%)
< 1000	29	0 (0.0)	1 (3.4)	23 (79.3)	5 (17.2)
1000–2500	40	1 (2.5)	3 (7.5)	33 (82.5)	3 (7.5)
2500–5000	42	0 (0.0)	2 (4.8)	36 (85.7)	4 (9.5)
5000–10,000	35	1 (2.9)	5 (14.3)	27 (77.1)	2 (5.7)
> 10,000	40	1 (2.5)	3 (7.5)	28 (70.0)	8 (20.0)
N	1860	3	14	147	22

^aThis table is limited to the included studies that reported their screening approach thus the total number of SRs included is 186