Table 2.
Main characteristics of the whole population of bronchial asthma patients (n = 154) and of its two strata divided on the basis of the response to Question 4 of SGRQ, i.e. well-controlled (n = 123) and not well-controlled (n = 31) groups
| Parameters | Whole population | Well-controlled | Not well-controlled | p |
|---|---|---|---|---|
| Demographic and anthropometric parameters | ||||
| Age (years) | 49.00 (36.00–58.00) | 48.00 (36.00–59.00) | 52.00 (40.00–56.00) | 0.442 |
| Gender (f/m) | 84/70 | 63/60 | 21/10 | 0.099 |
| Height (m) | 1.68 ± 0.098 | 1.69 ± 0.097 | 1.65 ± 0.099 | 0.034 |
| Weight (kg) | 75.00 (65.00–88.00) | 76.00 (67.00–88.00) | 72.00 (62.00–87.00) | 0.278 |
| Lung function parameters | ||||
| FVC% pred | 92.55 ± 13.80 | 93.45 ± 13.60 | 89.00 ± 14.25 | 0.101 |
| IVC% pred | 97.50 (87.00–106.00) | 98.00 (88.00–106.00) | 97.00 (81.00–102.00) | 0.267 |
| TLC% pred | 108.65 ± 13.78 | 108.25 ± 14.27 | 110.26 ± 11.75 | 0.470 |
| TGV% pred | 125.25 ± 22.11 | 124.62 ± 22.18 | 127.77 ± 21.99 | 0.479 |
| RV% pred | 132.50 (117.00–157.00) | 132.00 (117.00–152.00) | 143.00 (114.00–175.00) | 0.266 |
| RV/TLC % pred | 123.84 ± 20.06 | 122.41 ± 19.84 | 129.48 ± 20.24 | 0.079 |
| FEV1% pred | 86.10 ± 15.07 | 87.99 ± 13.97 | 78.58 ± 17.08 | 0.002 |
| PEF% pred | 75.14 ± 18.21 | 78.80 ± 16.12 | 60.61 ± 18.98 | < 0.001 |
| FEF25–75% % pred | 66.54 ± 22.22 | 69.87 ± 21.58 | 53.32 ± 19.98 | < 0.001 |
| MEF50% % pred | 68.81 ± 24.94 | 72.36 ± 23.85 | 54.74 ± 24.58 | < 0.001 |
| FEV1/IVC% pred | 90.92 ± 10.51 | 92.41 ± 10.23 | 85.00 ± 9.61 | < 0.001 |
| FEV1/FVC | 0.77 (0.73–0.83) | 0.79 (0.74–0.84) | 0.74 (0.68–0.78) | 0.002 |
| Raw (kPa s/L) | 0.22 (0.18–0.29) | 0.21 (0.17–0.28) | 0.25 (0.19–0.31) | 0.152 |
| Gaw (L/kPa s) | 4.67 (3.44–5.55) | 4.78 (3.55–5.73) | 3.94 (3.2–5.35) | 0.149 |
| SGRQ | ||||
| Symptoms score | 29.97 (13.47–52.33) | 22.44 (11.01–37.28) | 64.49 (51.75–74.89) | < 0.001 |
| Impacts score | 24.60 (10.74–40.01) | 20.50 (8.58–34.92) | 42.59 (32.10–54.24) | < 0.001 |
| Activity score | 47.68 (29.49–60.25) | 41.76 (23.33–59.45) | 59.45 (53.01–72.85) | < 0.001 |
| Total score | 32.75 (17.52–48.73) | 28.35 (16.22–41.55) | 53.71 (41.22–60.93) | < 0.001 |
Data are presented as mean ± SD or median (interquartile range) unless otherwise stated
SGRQ St. George’s Respiratory questionnaire
Differences between the two groups were considered significant at p < 0.05 (indicated in italics)