. 2016 Nov 22;16:161. doi: 10.1186/s12874-016-0264-6

Table 4.

Cumulative subgroup analysis according to content area

Subgroups	Combination of databases	Median (IQR)
Rehabilitation	M + E + C	83.3% (50–100%)
	M + E + C + S	83.3% (60–100%)
	M + E + C + S + Ci	100% (60–100%)
Medicine	M + E + C	87.3% (79.9–97.7%)
Medicine	M + E + C + S	87.3% (83.3–97.7%)
Other content	M + E + C	97.2% (93.6–100%)
Other content	M + E + C + S	100% (97.7–100%)

Abbreviations: M + E + C MEDLINE + EMBASE + CENTRAL, M + E + C + S MEDLINE + EMBASE + CENTRAL + SCOPUS, M + E + C + S + Ci = MEDLINE + EMBASE + CENTRAL + SCOPUS + Cinahl