Conclusiveness of the Cochrane Eye and Vision Group Reviews

BMC Research Notes

Table 1 Study characteristics of the Cochrane Eye and Vision Group Reviews (EVGRs)

	‘‘Conclusive’’ EVGRs (n = 56)	‘‘Inconclusive’’ EVGRs (n = 50)	P
Number of RCTs^a	10.7 ± 17.1	3.22 ± 5.57	0.003
Total cumulative number of patients enrolled^b,c	984 (439–117,272)	50 (0–12,294)	<0.001
Total cumulative number of eyes studied^a,d	1,295 ± 2,240	136.2 ± 287.9	0.015
Percent of EVGRs where further studies are needed^a	96 ± 20	84 ± 37	0.042

RCTs randomized controlled trials, EVGRs Eye and Vision Group Reviews.
^aMean ± SD.
^bMedian (range).
^cIn 101 of the EVGRs the total cumulative number of participants could be retrieved, 52 of them were conclusive reviews and 49 of them were inconclusive ones.
^dIn 62 of the EVGRs the total cumulative number of eyes studies could be retrieved, 26 of them were conclusive reviews and 36 were inconclusive ones.

ISSN: 1756-0500