Skip to main content

Table 1 Baseline characteristics of patients in the full analysis set population

From: Hydrogen/oxygen therapy for the treatment of an acute exacerbation of chronic obstructive pulmonary disease: results of a multicenter, randomized, double-blind, parallel-group controlled trial

Characteristic Oxygen group (n = 54) Hydrogen/oxygen group (n = 53) P value
Age-year, mean(SD) 69.8 (8.23) 69.7 (7.72) 0.959
Male sex-n (%) 46 (85.2%) 48 (90.6%) 0.556
Height-cm, mean (SD) 164.7 (6.86) 167.0 (6.98) 0.092
Weight-kg, mean (SD) 60.05 (9.86) 63.52 (12.87) 0.120
BMI-kg/m2,mean (SD) 22.15 (3.47) 22.74 (4.09) 0.421
History of Smoking, yes-n (%) 42 (77.8%) 45 (84.9%) 0.667
Average smoking amount/day, mean (SD) 16.4 (8.97) 24.8 (16.40) 0.127
Disease history, yes-n (%) 51 (94.4%) 49 (92.5%) 0.716
Clinical symptoms, yes-n (%)
 Aggravated wheezing 52 (96.3%) 48 (90.6%) 0.270
 Increased sputum production 37 (68.5%) 35 (66.0%) 0.838
 Sputum purulence 24 (44.4%) 21 (39.6%) 0.696
 Fever 2 (6.9%) 1 (3.8%) > 0.999
 Aggravated cough 28 (96.6%) 24 (92.3%) 0.598
 Increased wheezing rale 7 (24.1%) 6 (23.1%) > 0.999
 Increased breathing and heart rate (≥ 20% from baseline) 0 (0.0%) 1 (3.8%) 0.473
 Sore throat or rhinorrhea with 5 days 1 (3.4%) 0 (0.0%) > 0.999
  1. BMI body mass index, SD standard deviation