Table 2.

Preoperative comparison of average blood lipid levels between the two groups

Variable	AVNFH (n = 160)	Control (n = 165)	P value
TC (mmol/L)	4.53 ± 0.37	4.48 ± 0.33	0.15*a
TG (mmol/L)	1.64 ± 0.42	1.59 ± 0.53	0.32*a
HDL (mmol/L)	2.43 ± 0.63	2.50 ± 0.24	0.17*a
LDL (mmol/L)	3.02 ± 0.36	2.97 ± 0.14	0.94*a
Apo-A1 (mg/dL)	102.46 ± 16.93	105.41 ± 21.39	0.17*a
Apo-B (mg/dL)	57.32 ± 7.40	55.50 ± 11.77	0.10*a

AVNFH avascular necrosis of the femoral head, TC total cholesterol, TG triglyceride, HDL high-density lipoprotein, LDL low-density lipoprotein, Apo-A1 apolipoprotein A1, Apo-B apolipoprotein-B

^*No statistically significant values

^aAnalysed using an independent samples t test