Functional assessment and influencing factors after staged functional training in patients with ankle fractures

Table 2 Factors influencing limb function after staged functional training

Independent variables	Grouping	Excellent functional group (n = 111)	General functional group (n = 39)	χ2	P value
Sex	Male	69	19	2.151	0.142
	Female	42	20
Age (years)		46.58 ± 4.35	46.77 ± 4.28	0.236	0.814
Monthly household income (RMB)	≤ 5000	34	19	4.132	0.042
	> 5001	77	20
Educational level	High school and below	42	22	4.070	0.044
	Junior college or above	69	17
Comorbid diabetes	Yes	81	21	4.852	0.028
	No	30	18
Lauge–Hansen classification	Pronation-abduction	31	9	2.269	0.518
	Pronation-external rotation	26	13
	Supination-adduction	29	7
	Supination-external rotation type	25	10
Start time of postoperative exercise (hour)	48-72	69	17	4.070	0.044
	> 72	42	22
BMI (kg/m2)		24.65 ± 3.68	24.74 ± 3.72	0.131	0.896
Lower tibiofibular fixation	Yes	83	22	4.635	0.031
	No	28	17
Functional exercise compliance scale (points)	Male	49.65 ± 9.46	42.36 ± 8.79	4.214	< 0.01
SSRS (points)	Female	30.64 ± 3.45	24.36 ± 2.46	10.461	< 0.01
BK (μg/L)		6.41 ± 1.32	8.75 ± 1.47	9.243	< 0.01
PGE2 (ρg/mL)	≤ 5000	170.66 ± 19.62	214.14 ± 18.70	12.048	< 0.01
5-HT (ng/L)	> 5001	97.84 ± 18.75	121.44 ± 16.38	6.977	< 0.01

Data are expressed as mean ± SD or number. Lauge-Hansen classification: Ankle fracture classification; BMI: Body mass index; SSRS: Social Support Rating Scale; BK: Bradykinin; PGE2: Prostaglandin E2; 5-HT: 5-hydroxytryptamine.