Efficacy and risk factors for anxiety and depression after mini-incision hip arthroplasty for femoral head osteonecrosis

Table 2 Univariate analysis

Factors		Negative emotion group (n = 71)	Emotional stability group (n = 54)	P value
Age				0.002b
	≥ 60 years old	50	24
	< 60 years old	21	30
Sex				0.003b
	Male	34	40
	Female	37	14
BMI				0.460
	≥ 25kg/m2	14	14
	< 25kg/m2	57	40
Pathogeny				0.423
	Trauma	33	18
	Hormone	25	22
	Alcohol	9	8
	Others	4	6
Affected side				0.937
	Left	36	27
	Right	35	27
Smoking history				0.060
	With	37	37
	Without	34	17
History of alcoholism				0.866
	With	7	6
	Without	64	48
Education level				0.026a
	≥ Junior high school	21	27
	< Junior high school	50	27
Annual income				0.038a
	≥ 50000 CNY	14	20
	< 50000 CNY	57	34
Marital status				0.752
	Married	52	42
	Divorced	11	8
	Others	8	4
Treatment methods				0.032
	Minimally invasive	31	34
	Conventional	40	20
Postoperative VAS score		4.28 ± 1.59	2.70 ± 1.50	< 0.0001d
Postoperative harris hip score		79.50 ± 8.06	80.33 ± 8.77	0.585
Operation time (min)		95.69 ± 8.36	92.63 ± 7.18	0.033a
Intraoperative blood loss (mL)		14.15 ± 3.89	11.57 ± 4.23	0.074
Incision length (cm)		436.59 ± 190.14	441.17 ± 210.32	0.898
Postoperative drainage time (min)		459.11 ± 203.95	343.56 ± 192.78	0.075
Length of stay (d)		11.26 ± 2.96	12.29 ± 4.16	0.109
Treatment cost (CNY)		40006.21 ± 5472.16	34272.05 ± 6033.42	< 0.0001d

^aP < 0.05.

^bP < 0.01.

^dP < 0.0001.

BMI: Body mass index; VAS: Visual analogue scales.