Table 2. Difference in the ranks of DASS21 scores between baseline and follow-up surveys.

Score difference	Negative ranksa (N)	Positive ranksb (N)	Tiesc (N)	Median score (50th percentile)		Wilcoxon signed-rank test P-value
				Baseline	Follow-up
Depression	60	97	60	6	6	0.146
Anxiety	69	89	59	2	4	<0.001
Stress	7	142	68	6	8	<0.001

Notes:

^afollow-up < baseline.

^bfollow-up > baseline.

^cfollow-up = baseline.

Significant P values are shown in bold.