Table 3.

Univariate analysis of factors associated with depression in elderly patients with malignant liver tumor undergoing hepatectomy

Factors	HADS-D	Mean ± SD	P-Value*
Age (years)	0–7	68.56 ± 3.70	0.913
	8–10	68.26 ± 3.65
	11–21	68.35 ± 3.17
Volume of blood loss (mL)	0–7	574.24 ± 474.53	0.775
	8–10	687.50 ± 1302.36
	11–21	518.18 ± 513.52
Operating time (minutes)	0–7	208.44 ± 107.16	0.680
	8–10	190.77 ± 91.36
	11–21	198.08 ± 92.64
Volume of blood transfusion (mL)	0–7	215.57 ± 366.39	0.576
	8–10	186.92 ± 357.93
	11–21	290.77 ± 503.30
Lesion size (mm)	0–7	62.22 ± 45.21	0.597
	8–10	53.58 ± 30.95
	11–21	60.87 ± 38.95
Number of complication	0–7	0.13 ± 0.50	0.221
	8–10	0.10 ± 0.45
	11–21	0.31 ± 0.55
Total length of stay (days)	0–7	19.82 ± 8.52	0.348
	8–10	20.79 ± 9.50
	11–21	23.08 ± 11.62
Postoperative length of stay (days)	0–7	11.84 ± 5.48	0.094
	8–10	12.05 ± 6.20
	11–21	15.31 ± 10.61
Preoperative length of stay (days)	0–7	7.98 ± 5.64	0.710
	8–10	8.74 ± 5.27
	11–21	7.77 ± 4.29

^*One way ANOVA test