Table 2.

Correlation coefficients (Kendall tau-b) between items, correlation coefficients (Spearman’s rho) between items, and MELASQoL-PB total score. All comparisons resulted p<0.01 (n = 154).

	Q1	Q2	Q3	Q4	Q5	Q6	Q7	Q8	Q9	Q10
Q1	-	0.75	0.71	0.59	0.48	0.52	0.38	0.62	0.44	0.53
Q2		-	0.70	0.57	0.52	0.52	0.41	0.61	0.48	0.55
Q3			-	0.66	0.52	0.59	0.39	0.68	0.51	0.56
Q4				-	0.61	0.62	0.48	0.61	0.53	0.62
Q5					-	0.75	0.55	0.63	0.53	0.60
Q6						-	0.56	0.63	0.60	0.57
Q7							-	0.46	0.58	0.49
Q8								-	0.58	0.66
Q9									-	0.69
MELASQoL	0.83	0.85	0.87	0.84	0.81	0.82	0.66	0.88	0.75	0.83