Table 2. Estimates of Psoriasis Flare Rates.

Flaring	Patients, No.	Flares, No. (%) [95% CI]
Estimates for any flare
Group with interval psoriasis coded diagnoses	165	14 (8.48) [4.72-13.83]
Group without interval psoriasis coded diagnoses	351	2 (0.57) [0.07-2.04]
Combined estimate for full population, % (95% CI)		1.42 (0.72-2.44)
Estimates for severe flares (erythrodermic)
Group with interval psoriasis coded diagnoses	165	1 (0.61) [0.02-3.33]
Group without interval psoriasis coded diagnoses	351	0 (0) [0-1.05]
Combined estimate for full population, % (95% CI)		0.07 (0-0.26)