Table 1.
Distributions of age, lung function, or total immunoglobulin E (IgE) level according to sex in neversmoking asthmatics.
| Overall (n = 2310) Median (IQR) |
Male (n = 312) Median (IQR) |
Female (n = 1998) Median (IQR) |
p-Value * | ||||
|---|---|---|---|---|---|---|---|
| Episode Level (Level one, n = 2310) | |||||||
| FEV1 (Liter) | 1.6 | (1.3~2.0) | 2.2 | (1.6~2.6) | 1.6 | (1.3~1.9) | p < 0.001 |
| FEV1 (%) | 81.0 | (69.0~90.0) | 70.5 | (57.0~82.5) | 82.0 | (71.0~91.0) | p < 0.001 |
| FVC (Liter) | 2.3 | (2.0~2.4) | 3.2 | (2.7~3.7) | 2.2 | (1.9~2.6) | p < 0.001 |
| FVC (%) | 83.5 | (74~92) | 79.0 | (69.5~89.0) | 84.0 | (75.0~93.0) | p < 0.001 |
| FEV1/FVC (%) | 71.0 | (65.0~76.0) | 68.0 | (60.0~73.0) | 72.0 | (66.0~76.0) | p < 0.001 |
| FEF 25~75 (%) | 47.0 | (34.0~61.0) | 45.0 | (30.0~57.0) | 48.0 | (34.0~61.0) | p = 0.0044 |
| Individual Level at baseline (Level two, n = 214) | |||||||
| Age (years) | 60.0 | (51.4~67.3) | 53.1 | (44.0~65.7) | 60.4 | (52.1~67.5) | p < 0.001 |
| BMI (kg/m2) | 24.4 | (22.5~26.5) | 24.7 | (23.6~26.7) | 24.4 | (22.4~26.4) | p = 0.01 |
| Total_IgE (IU/mL) | 127.0 | (36.2~286.0) | 81.7 | (39.9~231.0) | 131.0 | (35.0~286.0) | p = 0.0002 |
* p-value from Mann–Whitney test for evaluation of distributions between men and women. BMI: body mass index; FEF: forced expiratory flow; IQR: interquartile range.