Table 2.

Intergroup comparison of functional outcomes

Subgroup comparison	No.	MEPS	p value	QuickDASH	p value
Age (years)
< 45	18	80 ± 14.35	0.058	14.53 ± 14.34	0.088
≥ 45	14	87.86 ± 12.51		7.95 ± 11.79
Gender
Men	18	79.17 ± 13.53	0.025*	14.65 ± 14.06	0.078
Women	14	88.93 ± 12.89		7.79 ± 12.12
Chronicity
< 1 month	17	83.53 ± 10.72	0.485	11.10 ± 9.84	0.405
> 1 month	15	83.33 ± 17.29		12.27 ± 17.07
Injury complexity
Valgus impact†	14	87.5 ± 10.52	0.074	6.17 ± 7.33	0.02*
Rotational injury‡	18	80.28 ± 15.67		15.91 ± 15.71
Numbers of surgery before replacement
None	24	86.25 ± 10.96	0.023*	9 ± 9.59	0.026*
≥ 1 surgery	8	75 ± 18.9		19.6 ± 20.19

^†Valgus impact was valgus impact injury of radial head with or without medial collateral ligament insufficiency

^‡Rotational injury included terrible triad injury, Monteggia injury, and concomitant distal humerus fracture

*A p value of < 0.05 indicated significant difference