Table 2.

Number,mean of exacerbations and number of patients (in parentheses) at each study visit

	V1	V2	V3	V4	V5
Statin users (SU)	538 (n = 413) 1.30	332 (n = 366) 0.91	287 (n = 317) 0.91	358 (n = 220) 1.63	144 (n = 152) 0.95
Statin naïve (SN)	1742 (n = 1306) 1.33	1114 (n = 1122) 0.99	995 (n = 946) 1.05	755 (n = 643) 1.17	529 (n = 476) 1.11
Incident-statins (IS)	159 (n = 168) 0.95	167 (n = 165) 1.01	291 (n = 164) 1.77	199 (n = 147) 1.35	167 (n = 118) 1.42

Number of acute exacerbations at each study visit V1-V5

n = number of patients at each visit. The percentages refer to the proportion of exacerbations based on the number of patients