TABLE 3.

Comparison of the anxiety, stress, and depression scores among nurses before and during the first wave of the COVID-19 pandemic.

Group Variables	Before COVID-19 (n = 266)			During the first wave of the COVID-19 pandemic (n = 242)			Statistical test	Effect size	P-value
	Median	Mean	Standard deviation	Median	Mean	Standard deviation
Anxiety	8.00	8.74	7.77	12.00	12.65	9.52	Z = −4.73	0.45	<0.001
Stress	12.00	13.71	8.89	16.00	16.23	9.25	t = −3.12	0.28	0.002
Depression	8.00	9.90	8.41	10.00	12.23	9.25	Z = −2.85	0.26	0.004

t, independent t-test; Z, Mann–Whitney U test.