Table 5.

Sensitivity to change over time of the VITACORA-19 questionnaire among patients with PsA according to perceived health state changes.

Patient’s Perceived Health State Changes	Baseline Changes			Changes at 6 Mos			Changes
Patient’s Perceived Health State Changes	mean	SD	n	mean	SD	n	mean	SD	n	ES
High improvement	54.85	27.68	10	77.06	16.59	10	22.21	20.39	10	0.80
Quite improvement	52.15	23.79	35	64.74	21.45	35	12.59	18.94	35	0.53
Small improvement	57.05	22.81	28	64.99	21.29	28	7.94	16.49	28	0.35
The same	61.70	24.88	62	66.66	22.61	62	4.96	15.67	62	0.20
Small worsening	60.25	26.27	11	51.61	18.80	11	–8.64	17.96	11	–0.33
Quite worsening	37.06	21.09	6	28.02	15.83	6	–9.04	12.57	6	–0.43
Global	57.12	24.66	152	63.98	22.73	152	6.86	18.23	152	0.28

VITACORA-19: PsA quality of life questionnaire; ES: effect size; PsA: psoriatic arthritis.