In contrast, the control group (n = 45) demonstrated a smaller increase in QoL scores, from 49.8 ± 13.2 at baseline to 52.9 ± 11.6 after 1 month ( Z = 1.15, P = .09), which did not reach statistical significance ( P > .05).
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Impact of refined nursing care on psychological outcomes, treatment adherence, and quality of life in patients with coronary heart disease.
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marginally significantP = .06
Between-group comparisons showed that at 1 month, the experimental group demonstrated significantly greater improvements in anxiety ( P = .03) and a marginally significant improvement in depression ( P = .06) compared to the control group.