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Table 1 Comparisons of clinical and physiological characteristics between women and men matched by their predicted FEV1

From: Gender associated differences in determinants of quality of life in patients with COPD: a case series study

Clinical & Physiological Characteristics Men (n = 73) Women (n = 73) p Value
Age (years old) 63 ± 8* 56 ± 11* <0.001
Age range 47–77 37–79  
Pack-years history 69 ± 26* 47 ± 22* <0.001
BMI (kg/m2) 27 ± 4* 25 ± 7* 0.04
BMI ≤ 21(%) 6 32 0.007
Charlson Index (points) 3 (1–6) + 1 (1–3) + <0.001
MMRC (points)    
0–2 (%) 93 71 <0.001
3–4 (%) 7 29  
Exacerbations in the last year    
Without admission 0 (0–1) + 1 (0–2) + 0.013
With admission 0 (0-0) + 0 (0–1) + 0.116
FRC % of predicted 142 ± 31* 134 ± 32* 0.470
IC/TLC ≤ 0.25 (%) 8 (11) 7 (10) 0.627
PaO2 (mmHg) 70 ± 11* 76 ± 11* 0.004
PaCO2 (mmHg) 45 ± 6* 40 ± 5* <0.001
6MWD (mts) 529 ± 93* 459 ± 79* <0.001
6MWD % of Predictive 107 ± 21* 85 ± 17* <0.05
SGRQ    
Total 26 (15–52) + 38 (30–47) + 0.011
Symptoms 39 (12–53) + 48 (32–58) + 0.028
Activity 37 (14–62) + 53 (40–62) + 0.020
Impact 15 (6–45) + 28 (13–40) + 0.013
  1. *represents mean ± SD; + represents median and 25th-75th percentiles