Skip to main content

Advertisement

Table 4 Subject characteristics – Algorithm replication population

From: A retrospective study of two populations to test a simple rule for spirometry

  Normal n = 224 Obstructed n = 258 Restricted n = 191
FEV1 % predicted [mean (SD)] 94.84 (9.51) 56.20 (13.85) 70.52 (10.00)
FEV1 (L)(± SD) 2.79 (0.65) 1.73 (0.56) 2.14 (0.57)
Sex (% male vs. female) 50 vs. 50 71 vs. 29 52 vs. 48
Smoke Status (Current vs. Past) 58 vs. 42 65 vs. 35 58 vs. 42
BMI [mean (SD)] 30.06 (6.75) 27.01 (6.25) 31.65 (7.19)
Age [mean (SD)] 59.90 (9.68) 65.41 (10.73) 61.09 (9.60)
Pack years [mean (SD)] 48.10 (43.89) 59.55 (36.81) 50.90 (46.88)