Table 2. Patients with peripheral blood eosinophilia during IO treatment.

	Baseline eosinophilia absent	Baseline eosinophilia present	P value
Number of patients, n (%)	23 (69.7)	10 (30.3)	–
Baseline eosinophil count, median [range]	240 [160–330]	795.0 [570–1,860]	<0.001
Time to eosinophilia, months, median [range]	5.00 [1.0–7.0]	–	–
Time to peak eosinophils count, months, median [range]	7.0 [3.0–12.0]	1.0 [1.0–3.3]	0.002
Peak eosinophil count, eosinophils/μL, median [range]	770 [570–890]	1,370 [563–8,520]	0.196

IO, immunotherapy.