Table 5.

Repeated-measures analysis of variance for the primary outcomes based on the grade of sprain.

Outcome variable	Grade of sprain
	Time		Sprain grade		Time × sprain grade
	F test (df1, df2)	P value	F test (df1, df2)	P value	F test (df1, df2)	P value
Numerical Pain Rating Scale score	3.30 (1.77, 123.74)	.05	2.22 (2, 70)	.12	1.22 (3.54, 123.74)	.31
Foot and Ankle Ability Measure–activities of daily living score	6.15 (1.90, 133.21)	.003	0.91 (2, 70)	.41	1.84 (3.81, 133.21)	.13
Numerical Pain Rating Scale score	4.58 (1, 83)	.03	3.63 (2, 83)	.03	4.15 (2, 83)	.02