Table 2 Participant characteristics of asthma groups
From: Serum periostin levels in adults of Chinese descent: an observational study
Variable | Chinese | Caucasian | ||||||
|---|---|---|---|---|---|---|---|---|
N | Median (IQR) | Mean (SD) | Min to max | N | Median (IQR) | Mean (SD) | Min to max | |
Age (years) | 67 | 32 (22 to 52) | 37.3 (16.3) | 18.4 to 72.4 | 170 | 46 (35 to 57) | 46.0 (14.5) | 19 to 75 |
BMI (kg/m2) | 67 | 24.9 (22.2 to 26.6) | 24.9 (3.9) | 17.6 to 37.4 | 170 | 26.5 (22.7 to 30.9) | 27.7 (6.7) | 15.7 to 57.1 |
FEV1/FVC ratioa | 67 | 0.76 (0.70 to 0.81) | 0.74 (0.11) | 0.43 to 0.96 | 170 | 0.74 (0.66 to 0.79) | 0.72 (0.11) | 0.38 to 0.95 |
FEV1Â % predicted | 67 | 99.5 (83.3 to 107.5) | 95.3 (16.6) | 50.1 to 130.5 | 170 | 84.8 (74.4 to 94.1) | 83.1 (16.3) | 32.6 to 121.8 |
Serum periostinb (ng/mL) | 67 | 56.8 (47.8 to 70.4) | 59.9 (15.3) | 36.4 to 128.2 | 170 | 54.9 (47.3 to 68.0) | 58.9 (19.9) | 15.0 to 148 |
FeNOb (ppb) | 67 | 41 23 to 96) | 64.4 (54.8) | 7.0 to 242 | 170 | 30.5 (16.5 to 49.4) | 39.3 (33.2) | 2.7 to 194.1 |
Serum IgEb (U/L) | 66 | 308 (128 to 738) | 537.6 (632.9) | 7.0 to 3454 | 170 | 125.4 (34 to 283.1) | 372.8 (1429.0) | 1 to 18,083 |
Blood eosinophils x 109/L (units) | 67 | 0.24 (0.14 to 0.40) | 0.29 (0.19) | 0.02 to 0.78 | 170 | 0.2 (0.1 to 0.3) | 0.27 (0.22) | 0 to 1.5 |