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Table 1 Patient characteristics

From: Predictors of outcome of noninvasive ventilation in severe COPD exacerbation

 

Mean (SD)

Range

Age (years)

67.6 (10.1)

46–97

BMI

28.9 (7.0)

17–43

FEV1% predicted

32.7 (10.8)

13–64

FEV1/FVC

48.0 (11.3)

19–66

pH-t0

7.26 (0.06)

7.03–7.41

pCO2-t0 (mmHg)

80.1 (19.7)

46.2–151

  1. Legend:
  2. BMI body mass index, FEV1 forced expiratory volume over 1 s, FVC forced vital capacity, pCO2 arterial partial pressure of carbon dioxide
  3. t0 = before the start of NIV