Table 5.

Stepwise multiple regression analysis of 1-year FAOS total scores and VAS scores in patients with lateral malleolar fracture (n = 72)

	FAOS total score coefficients				VAS coefficients
	Coefficients (SE)	t ratio	aR2	p	Coefficients (SE)	t ratio	aR2	p
Renal disease (yes vs. no)	− 27.24 (12.46)	− 2.84	0.53	0.018*	-
OA grade (0–4)	− 18.56 (6.06)	− 3.22	0.53	0.002**	0.52 (0.20)	2.30	0.40	0.011*
Distal screw loosening (n)	− 15.73 (3.22)	− 4.73	0.53	< 0.001***	0.47 (0.11)	3.33	0.40	< 0.001***
Talus tilt angle (≥ 2° vs. < 2°)	− 15.79 (7.45)	− 2.12	0.53	0.038*	0.53 (0.26)	2.17	0.40	0.043*

aR² adjusted R coefficient, SE standard error

^*p < 0.05, ^**p < 0.01, ^***p < 0.001