Abstract P12 Table 1

Mean (range) physiological data of patients commencing long-term non-invasive ventilatory support

Domiciliary initiationInpatient initiation
pH7.38 (7.29–7.44)7.38 (7.22–7.48)
Paco2 (kPa)7.25 (4.94–10.3)8.61 (4.80–14.8)
Pao2 (kPa)9.21 (3.1–12.8)8.55 (4.42–15.2)
HCO3 (mmol/l)30.66 (22.4–40.3)34.37 (21.0–54.8)
VC (ml)1571 (500–3230)1219 (300–3930)
  • HCO3, bicarbonate; Paco2, Pao2, arterial carbon dioxide and oxygen tensions; VC, vital capacity.