Impact of 222-nm ultraviolet disinfection combined with psychological care on the emotional and hospital infection of critical patients

Table 1 Comparison of emotional states between two groups, mean ± SD

Groups	Numbers	SAS (score)		SDS (score)
		Pre-nursing	Post-nursing	Pre-nursing	Post-nursing
Control	101	56.60 ± 3.20	52.10 ± 2.95a	58.85 ± 3.65	54.12 ± 3.00a
Observation	101	57.10 ± 3.23	47.65 ± 2.88a	57.90 ± 3.68	50.00 ± 2.12a
t		1.105	10.848	1.842	11.271
P value		0.270	< 0.050	0.067	< 0.050

^aP < 0.05 compared with pre-nursing within the same group.

Conversely, the Self-Rating Anxiety Scale was employed to evaluate the subjective experience of anxiety in patients and to monitor its alteration throughout the therapeutic process. The Self-Rating Depression Scale is a self-assessment tool designed to measure the severity of depressive states and track changes during treatment. SAS: Self-Rating Anxiety Scale; SDS: Self-Rating Depression Scale.