Meta-Analysis
Copyright ©The Author(s) 2015.
World J Meta-Anal. Oct 26, 2015; 3(5): 215-224
Published online Oct 26, 2015. doi: 10.13105/wjma.v3.i5.215
Table 6 Absolute and relative frequencies of occurrence of the four methods to approximate study-specific means and standard deviations in a meta-analysis of a continuous outcome n (%)
No. of firstrankingNo. of second rankingNo. of third rankingNo. of fourth ranking
Conservative SD15 (35.7)20 (47.6)3 (7.1)4 (9.5)
Less Conservative SD4 (9.5)1 (2.4)1 (2.4)36 (85.7)
Mean SD03 (7.1)37 (88.1)2 (4.8)
IQR23 (54.8)18 (42.9)1 (2.4)0