Table 1 Statistical analysis of demographic data between control group and patients’ subgroups I and II
From: Assessment of hyaluronic acid in COPD patients as a prognostic biomarker
Subgroup I (n = 30) | Subgroup II (n = 30) | Control group (n = 20) | Test of sig | p-value | |
|---|---|---|---|---|---|
Gender | |||||
Male (no. ∕%) | (19∕63.3%) | (18 ∕ 60.0%) | (13∕65.0%) | χ2 = 0.142 | 0.931 |
Female (no. ∕%) | (11∕36.7%) | (12∕40.0%) | (7∕35.0%) | ||
Age (years) | |||||
(Min.–max.) | (38–87) | (30–90) | (30–86) | F = 0.798 | 0.454 |
Mean ± SD | 61.8 ± 11.43 | 64.30 ± 15.63 | 59.20 ± 15.17 | ||
BMI | |||||
(Min.–max.) | (18–29) | (18–27) | (18–29) | F = 0.364 | 0.969 |
Mean ± SD | 23.03 ± 3.06 | 22.37 ± 2.93 | 22.80 ± 3.25 | ||
Smoking index | |||||
(Min.–max.) | (0–580) | (0–540) | (0–580) | F = 0.734 | 0.483 |
Mean ± SD | 269.33 ± 216.60 | 242.00 ± 207.75 | 232.50 ± 45.0 | ||