12-Item Pruritus Severity Scale: Development and Validation of New Itch Severity Questionnaire

Table 2

Spearman’s rank correlation coefficients (ρ) for the each item (Q) score and the total score of the 12-PSS.

Q1 and total score	148	0.76	<0.0001
Q2 and total score	148	0.62	<0.0001
Q3 and total score	148	0.62	<0.0001
Q4 and total score	148	0.49	<0.0001
Q5 and total score	148	0.68	<0.0001
Q6 and total score	148	0.32	<0.0001
Q7 and total score	148	0.2	0.01
Q8 and total score	148	0.53	<0.0001
Q9 and total score	148	0.72	<0.0001
Q10 and total score	148	0.8	<0.0001
Q11 and total score	148	0.66	<0.0001
Q12 and total score	148	0.5	<0.0001