Postoperative depression and anxiety in patients undergoing intestinal tumor surgery: Incidence, predictors, and impact on quality of life

Table 8 Analysis results of mixed-effect model

Indicators	Fixed effect	β	SE	t	P value
HAMD	Time	-1.2	0.15	-8	< 0.001
SAS	Time	-1.1	0.18	-6.11	< 0.001
NLR	Time	-0.85	0.12	-7.08	< 0.001
AFR	Time	1.22	0.2	6.1	< 0.001
SF-36	Time	3.5	0.45	7.78	< 0.001

P < 0.05 indicated significant difference. HAMD: Hamilton Depression Scale; SAS: Self-Rating Anxiety Scale; SF-36: The 36-Item Short Form; NLR: Neutrophil-to-lymphocyte ratio; AFR: Albumin-to-fibrinogen ratio.