Table 3 Psoriasis Area and Severity Index(PASI)

Date	Plaque characteristic	Body region and weighting factor				PASI Score
		Head	Arms	Trunk	Legs
		×0.1	×0.2	×0.3	×0.4
2017.11.14	Erythema*	2	2	2	3	23.4
	Thickness*	2	2	2	3
	Scaling*	2	2	2	3
	Body region**	2	2	3	4
2017.11.16	Erythema	2	2	2	3	23.4
	Thickness	2	2	2	2
	Scaling	1	2	2	3
	Body region	2	2	4	4
2017.11.22	Erythema	1	2	2	3	18.2
	Thickness	1	1	1	2
	Scaling	1	1	1	2
	Body region	2	2	4	4
2017.11.27	Erythema	1	2	2	3	18.2
	Thickness	1	1	1	2
	Scaling	1	1	1	2
	Body region	2	2	4	4
2017.11.30	Erythema	1	1	1	2	13.4
	Thickness	1	1	1	1
	Scaling	1	1	1	2
	Body region	2	2	4	4
2017.12.08	Erythema	1	1	1	2	7.8
	Thickness	0	0	0	1
	Scaling	0	0	0	1
	Body region	1	2	3	4
2017.12.16	Erythema	0	1	1	1	2.9
	Thickness	0	0	0	1
	Scaling	0	0	0	1
	Body region	0	1	1	2

* Score (0=None, 1=Slight, 2=Moderate, 3=Severe, 4=Very Severe)
** Degree of involvement as % for each body region affected : Score each region between 0 and 6.(0=None, 1=1∼9%, 2=10∼29%, 3=30∼49%, 4=50∼69%, 5=70∼89%, 6=90∼100%)