Table 5.

Analysis of the WOMAC total score (n = 41)

	n	%
Statistical analysis method
t test	13	33
Repeated-measures ANOVA	9	23
Mixed model	8	20
ANCOVA	3	8
Mann–Whitney U test	6	15
Other: Kruskal–Wallis H test	1	3
Adjusted for covariates
Yes	11	27
Unclear	4	10
No	26	63
Method to handle missing data
Complete case	10	24
Multiple imputation	3	7
Single imputation (e.g. LVCF)	3	7
Mixed model without imputation	5	12
No missing data	4	10
Unclear	16	39