Table 3.

The Acute Exacerbation Rates of COPD in ICS Users and Nonusers According to Eosinophil Cutoffs

Cutoff (/µL)	ICS Users				ICS Nonusers
	CH	CL	VI	VD	CH	CL	VI	VD
100	0.60±1.25	0.97±1.27	0.94±1.78	1.46±2.28	0.70±1.51	0.83±1.69	0.67±1.24	0.80±1.35
150	0.58±1.33	1.01±1.58	0.67±1.18	0.98±1.85	0.79±1.68	0.80±1.51	0.43±1.03	0.59±1.13
200	0.33±0.82	0.93±1.58	0.84±1.37	0.98±1.90	0.76±1.64	0.67±1.33	0.74±1.42	0.85±1.64
250	0.33±0.89	0.89±1.51	0.45±0.66	1.21±2.27	0.79±1.78	0.63±1.36	1.00±1.65	0.71±1.19
300	0.25±0.52	0.88±1.52	0.37±0.58	1.18±2.28	0.39±1.00	0.65±1.44	1.07±1.72	1.10±1.79

Note: Mean ± standard deviation.

Abbreviations: CH, consistently high; CL, consistently low; VI, variably increasing; VD, variably decreasing.