Prognostic immune nutritional index-based nutritional stratification enhances recovery and survival in gastric cancer: A randomized controlled trial

Table 4 Time-course of Self-Rating Anxiety Scale and Self-Rating Depression Scale scores across risk groups

Group	Pre-op SAS	1W	1M	1Y	SAS Δ	Pre-op SDS	1W	1M	1Y	SDS Δ
Low-risk	46.2 ± 8.3	44.5 ± 7.8	42.7 ± 7.1	40.9 ± 6.8	-5.3 ± 2.2	45.8 ± 7.9	43.9 ± 7.5	41.6 ± 7.0	39.8 ± 7.3	-6.0 ± 2.4
Moderate-risk	48.4 ± 9.0	45.9 ± 8.7	43.8 ± 8.4	41.1 ± 7.9	-7.3 ± 2.6	47.5 ± 8.6	44.5 ± 8.3	42.1 ± 7.9	38.9 ± 7.7	-8.6 ± 2.9
High-risk	50.1 ± 9.5	44.3 ± 8.2	39.6 ± 7.2	37.2 ± 6.4	-12.9 ± 3.11	49.9 ± 9.3	44.1 ± 8.1	39.3 ± 7.5	35.6 ± 6.1	-12.6 ± 4.21

¹Indicates statistically significant difference compared to other groups (P < 0.01). This table presents changes in psychological outcomes measured by the Self-Rating Anxiety Scale and Self-Rating Depression Scale at multiple postoperative time points. Values represent mean ± SD. “Improvement” indicates change from baseline.

SAS: Self-Rating Anxiety Scale; SDS: Self-Rating Depression Scale.