Table 2.

Cohort Demographic Characteristics by ICS Duration Group (Matched)

Prevalent cohort (n = 291,687)Inception cohort (n = 185,346)
Long-term ICS exposureIntermediate-term ICS exposureShort-term ICS exposureLong-term ICS exposureIntermediate-term ICS exposureShort-term ICS exposure
Cohort size      67,448      54,978      169,261      48,806      35,039      101,501
Age, y (mean, SD)67.4 (10.2)69.0 (10.8)68.7 (11.2)67.4 (10.2)69.0 (10.8)69.3 (11.1)
Age, y (median)67.069.069.0        67.069.0          69.0
Sex, No. (%)
    Female53.8 (36,268)53.2 (29,222)52.4 (88,692)53.8 (26,261)53.2 (18,646)52.6 (53,386)
    Male46.2 (31,180)46.8 (25,756)47.6 (80,569)46.2 (22,545)46.8 (16,393)47.4 (48,115)
Charlson-Deyo Index score (at index), No. (%)
    ≤278.0 (52,596)80.4 (44,217)76.8 (129,947)76.1 (37,128)78.5 (27,507)72.0 (73,113)
    >222.0 (14,852)19.6 (10,761)23.2 (39,314)23.9 (11,678)21.5 (7,532)28.0 (28,388)
  • ICS = inhaled corticosteroid.