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Table 1 Characteristics of patients at baseline.

From: Medroxyprogesterone improves nocturnal breathing in postmenopausal women with chronic obstructive pulmonary disease

N = 15 Mean SD Range
Age (yr) 67.5 6.0 56 – 76
BMI (kg/m 2 ) 26.9 4.9 15.4 – 35.2
Smoking (pack-year) 8.8 13.9 0 – 50
FEV 1 (L) 0.76 0.3 0.44 – 1.80
FEV 1 (%) 34 12.4 15 – 63
FVC (L) 1.25 0.5 0.77 – 1.69
FVC (%) 44 16.2 26 – 72
FEV% 61 13.7 48 – 77
Arterial pH 7.38 0.05 7.25 – 7.45
PaCO 2 (kPa) 6.0 1.1 5.5 – 9.9 74.2
PaO 2 (kPa) 9.0 1.2 5.6 – 12.6
Systolic BP (mmHg) 154 21.8 120 – 190
Diastolic BP (mmHg) 87 14.1 60 – 118
  1. BMI = body mass index, FEV1 = forced expiratory volume in one second, FVC = forced vital capacity, FEV% = 100 × (FEV1/FVC), PaCO2 = partial tension of arterial carbon dioxide, PaO2 = partial tension of arterial oxygen.