Table 5.

Spearman correlations^a between the ankle instrument scores, those for generic instruments and clinical variables (n = 567)

Instrument	LEFS	LEFS Adjustedb	OMAS	OMAS Adjusted	SEFAS	SEFAS Adjusted
OMAS	0.86	0.86
OMAS Adjusted	0.86	0.86
SEFAS	−0.84	−0.84	− 0.89	−0.89
SEFAS Adjusted	−0.84	−0.84	− 0.88	−0.88
SF-36 physical function	0.85	0.86	0.76	0.77	−0.74	−0.73
EQ-5D index	0.73	0.73	0.79	0.79	−0.80	−0.79
Mobility	−0.65	−0.64	− 0.66	−0.67	0.66	0.66
Self-care	−0.35	−0.36	− 0.32	−0.33	0.34	0.34
Usual activities	−0.60	−0.61	− 0.59	−0.60	0.62	0.62
Pain/discomfort	−0.64	−0.64	− 0.73	−0.73	0.76	0.75
Anxiety/depression	−0.30	−0.31	− 0.30	−0.31	0.31	0.30
ASA classification	−0.26	−0.26	− 0.19	−0.21	0.21	0.20
Body Mass Index	−0.15	−0.16	− 0.21	−0.19	0.14	0.15
Duration of operation	−0.24	−0.23	− 0.25	−0.26	0.24	0.22
Uni-, bi-, tri-malleolar	−0.23	−0.22	− 0.21	−0.23	0.21	0.19

^aAll correlations are significant (p < 0.01)

^bAdjusted scores where mean imputation is used for missing data when half or more items are completed