Table 2 Median PD 20 [IQR] values measured in males subdivided into various sub-groups taken into account
From: BMI can influence adult males’ and females’ airway hyperresponsiveness differently
Underweight | Normal weight | Overweight | Obese | Total | p | |
|---|---|---|---|---|---|---|
Aged 18–26 years (n 556) | 656 [366–1589] | 361 [169–852] | 346 [166–846] | 193 [146–356] | 351 [168–848] | 0.058 |
Aged 27–44 years old (n 394) | 312 [312–312] | 370 [150–981] | 319 [165–1039] | 354 [213–1032] | 341 [161–1027] | 0.871 |
Age≥45 years (n 228) | - | 320 [104–1172] | 360 [178–1133] | 436 [277–903] | 368 [180–1110] | 0.343 |
Severe AHR (PD 20 ≤200) (n 367) | 117 [117–117] | 95 [67–143] | 115 [61–170] | 116 [75–126] | 105 [65–158] | 0.159 |
Moderate AHR (PD 20 >200 and ≤800) (n 471) | 377 [355–637] | 377 [291–584] | 351 [290–498] | 353 [272–490] | 357 [290–546] | 0.294 |
Mild AHR (PD 20 >800) (n 340) | 1855 [1322–3135] | 1496 [1100–2097] | 1530 [1105–2020] | 1125 [1032–2167] | 1437 [1094–2061] | 0.142 |
Non-smokers (n 794) | 507 [355–674] | 343 [156–896] | 343 [170–1036] | 340 [192–825] | 345 [168–944] | 0.688 |
Smokers (n 248) | 1589 [1322–1855] | 547 [210–1060] | 322 [169–1113] | 352 [272–716] | 442 [194–1072] | 0.102 |
Total (n 1178) | 637 [355–1322] | 360 [156–928] | 343 [169–1045] | 355 [203–825] | 353 [168–963] | 0.555 |