Table 1 Study population characteristics
From: Considerations in the use of different spirometers in epidemiological studies
Masterscreen vs EasyOne1 | Overall (N = 49) | Males (N = 15) | Females(N = 34) |
Age (years) – mean (SD) | 30.2 (10.9) | 29.2 (10.8) | 30.8 (11.1) |
Age ≤ 30 years – N (%) | 32 (65) | 12 (66) | 29 (67) |
Ethnicity-N (%) | |||
Caucasian | 49 (100) | 15 (100) | 34 (100) |
Weight (Kg) – mean (SD) | 68.9 (11.3) | 72.6 (11.9) | 66.9 (10.6) |
Height (m) – mean (SD) | 1.74 (8.32) | 1.81 (6.46) | 1.70 (6.57) |
FEV1Masterscreen (L) – mean (SD) | 3.78 (0.63) | 4.38 (0.62) | 3.51(0.43) |
FEV1EasyOne 1 – mean (SD) | 3.54 (0.60) | 4.11 (0.57) | 3.29 (0.42) |
FVC Masterscreen (L) – mean (SD) | 4.78 (0.85) | 5.77 (0.76) | 4.35 (0.42) |
FVCEasyOne1 (L) – mean (SD) | 4.41 (0.83) | 5.35 (0.74) | 4.01 (0.44) |
FEV1Masterscreen mean (SD) percent predicted | 98.3 (11.1) | 93.6 (10.5) | 100.4 (10.8) |
FEV1EasyOne1 mean (SD) percent predicted | 92.3 (10.8) | 87.9 (9.9) | 94.2 (10.7) |
FVC Masterscreen mean (SD) percent predicted | 103.7 (10.5) | 101.2 (11.4) | 104 (10.1) |
FVC EasyOne1 mean (SD) percent predicted | 95.5 (10.5) | 93.8 (12.2) | 96.2 (9.87) |
EasyOne1 vs EasyOne2 | Overall (N = 49) | Males (N = 17) | Females (N = 32) |
Age (years) - mean (SD) | 35.1 (11.4) | 32.8 (10.4) | 37.4 (12.1) |
Age ≤ 30 years – N (%) | 23 (46) | 11 (47) | 12 (52) |
Ethnicity- N (%) | |||
Caucasian | 43 (88) | 15 (88) | 28 (88) |
Asian | 4 (8) | 2 (12) | 2 (6) |
Other | 2 (4) | 0 (0) | 2 (6) |
Weight (Kg) – mean (SD) | 68.1 (10.1) | 76.1 (9.3) | 63.7 (7.7) |
Height (m) – mean (SD) | 1.71 (0.11) | 1.82 (0.72) | 1.65 (0.86) |
FEV1EasyOne 1(L) – mean (SD) | 3.50 (0.85) | 4.33 (0.63) | 3.05 (0.58) |
FEV1EasyOne 2 (L) – mean (SD) | 3.46 (0.84) | 4.27 (0.62) | 3.03 (0.58) |
FVCEasyOne1(L) – mean (SD) | 4.31 (1.05) | 5.45 (0.64) | 3.71 (0.65) |
FVCEasyOne2 (L) – mean (SD) | 4.27 (1.04) | 5.38 (0.65) | 3.68 (0.66) |
FEV1 EasyOne1 mean (SD) percent predicted | 95.8 (11.1) | 92.8 (12.2) | 97.4 (10.2) |
FEV1 EasyOne2 mean (SD) percent predicted | 94.8 (11.2) | 91.5 (12.1) | 96.5 (10.5) |
FVCEasyOne1mean (SD) percent predicted | 97.4 (9.9) | 96.1 (11.1) | 98.1 (9.3) |
FVCEasyOne2mean (SD) percent predicted | 96.5 (10.2) | 94.8 (11.1) | 97.4 (9.7) |