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Thorax 53:495-498 doi:10.1136/thx.53.6.495
  • Short paper

Domiciliary nocturnal intermittent positive pressure ventilation in patients with respiratory failure due to severe COPD: long term follow up and effect on survival

Table 1

Patient characteristics and pretreatment lung function

Patient Sex Age BMI FEV1% (l) FVC% (l) TLC% (l) RV % (l) Tlco%
(ml/min/ mm Hg)
Kco(ml/min) Pao2(kPa) Paco2 (kPa) Paco2 with corrected Sao2 (kPa) -HCO3mmol/l HCT Smoking history
(pack years)
1 F 63 56 53 (0.98) 69 (1.7) 81 (3.31) 103 (1.61) 72 (14.1) 5.6 (115%) 5.6 7.7 7.7 33 0.40 42
2 M 73 30 41 (1.02) 50 (1.8) 6.0 7.5 11.1 31 - 50
3 M 67 29 37 (1.05) 50 (2.01) 90 (5.82) 120 (2.71) 88 (22) 5.03 (124%) 6.0 9.7 10.3 37 0.50 90
4 M 65 42 36 (0.97) 43 (1.69) 86 (5.49) 104 (2.71) 94 (25.3) 5.3 8.8 10.1 31 0.50 60
5 M 62 26 23 (0.73) 45 (1.81) 84 (5.51) 130 (2.97) 70 (18.6) 5.69 (136%) 6.6 7.2 10.7 28 0.45 80
6 M 72 26 27 (0.62) 52 (1.73) 90 (5.11) 148 (3.22) 60 (12.7) 3.97 (105%) 6.5 10.8 11.7 34 0.48 18
7 F 48 42 43 (1.02) 66 (1.97) 97 (4.5) 158 (2.52) 71 (16.4) 5.70 (109%) 6.4 8.3 6.7 30 0.41 23
8 F 45 23 20 (0.44) 45 (1.19) 90 (3.6) 158 (2.07) 90 (19.8) 8.20 (155%) 5.3 8.0 8.0 33 0.46 45
9 M 66 33 47 (1.26) 61 (2.32) 100 (6.3) 143 (3.2) 80 (19.8) 4.30 (107%) 7.7 7.3 7.5 32 0.49 200
10 M 48 34 34 (1.19) 58 (2.68) 91 (6.3) 150 (3.3) 80 (24.5) 5.90 (124%) 7.7 7.3 8.0 33 0.55 55
11 M 51 26 19 (0.60) 44 (1.9) 100 (6.4) 195 (4.02) 32 (8.9) 2.10 (46%) 4.6 8.4 8.4 40 0.47 60
Mean values 60 33.3 34.5 53 82.6 128 67 4.2 6.02 8.08 9.12 32.9 0.42 65.7
  • FEV1 = forced expiratory volume in one second; FVC = forced vital capacity; TLC = total lung capacity; RV = residual volume; Tlco = carbon monoxide transfer factor; Kco = carbon monoxide transfer coefficient; Pao 2, Paco 2 = arterial oxygen and carbon dioxide tensions.

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