Table 1 Demographics and clinical characteristics of patients with and without p-SAD
Item | Asthma without p-SAD (n = 167) | Asthma with p-SAD (n = 81) | Z/χ2 | P |
|---|---|---|---|---|
Age of receiving the regular treatment (years old) | 7.00(6.00,8.50) | 7.50(6.50,9.00) | -1.837 | 0.067 |
Male | 111(66.5) | 55(67.9) | 0.051 | 0.822 |
BMI (kg/m2) | 16.50(15.20,17.80) | 16.90(14.95,18.90) | -0.061 | 0.951 |
Birth weight (kg) | 3.20(3.00,3.40) | 3.20(3.00,3.45) | 0 | 1 |
Breastfeeding (months) | 7.00(3.00,11.00) | 6.00(4.50,10.00) | -0.538 | 0.591 |
History of antibiotic usage in the first year | 50(29.9) | 25(30.8) | 0.022 | 0.882 |
History of passive smoking | 38(22.8) | 29(35.8) | 4.71 | 0.03 |
Family history of asthma | 25(15.0) | 20(24.7) | 3.471 | 0.062 |
Allergens | 119(71.3) | 55(67.9) | 0.293 | 0.588 |
Allergic rhinitis | 138(82.6) | 64(79.0) | 0.474 | 0.491 |
Eczema | 37(22.2) | 15(18.5) | 0.435 | 0.509 |
Asthma control | Â | Â | Â | Â |
Well-controlled | 155(92.81) | 64(79.01) | 10.062 | 0.002 |
Partly-controlled | 12(7.19) | 17(20.99) | Â | Â |
Time taken for asthma to reach well controlled (years) | 1.00(1.00,1.00) | 1.00(1.00,2.00) | -1.002 | 0.316 |
Age at the time of onset of suspected asthma symptoms (years old) | 6.00(4.50,7.00) | 5.00(3.50,7.00) | -1.989 | 0.047 |
Duration of asthma (years) | 3.50(3.00,5.00) | 4.50(3.00,7.25) | -2.688 | 0.007 |
Age at which the diagnosis of asthma was made (years old) | 6.50(6.00,8.00) | 7.00(5.75,8.25) | -0.143 | 0.886 |
Duration of using ICS or ICS/LABA (years) | 2.50(2.00,3.00) | 3.00(2.00,3.50) | -3.724 | < 0.001 |