Table 4

 Mean (SD) values of hours of use, arterial blood gas tensions, Epworth sleepiness score (ESS), hypercapnic ventilatory response (HCVR), and two measures of inspiratory muscle strength in patients with neuromuscular weakness and kyphoscoliosis at D0, D5 and 3M

VariableNeuromuscular weakness (n = 12)Kyphoscoliosis (n = 8)
D0D53MD0D53M
Hours6.3 (1.7)4.4 (2.3)7.3 (2.2)3.8 (3.9)
Paco2 (kPa)7.2 (0.9)6.6 (0.8)6.2 (0.8)6.9 (0.8)6.5 (0.9)6.4 (1.1)
Pao2 (kPa)8.3 (1.2)8.9 (1.6)8.8 (1.3)8.3 (1.4)9.5 (1.3)9.0 (1.8)
Bicarbonate (mM/l)32.6 (2.5)30.4 (1.7)29.2 (3.2)32.6 (4.4)29.8 (3.4)29.3 (4.5)
ESS10.0 (4.2)4.4 (3.3)8.4 (5.2)5.1 (4.4)
HCVR (l/min/kPa)3.3 (2.8)4.3 (2.9)5.4 (3.6)2.0 (0.9)2.6 (1.3)2.6 (1.6)
PeMax (cm H2O)68 (28)77 (22)72 (31)68 (29)76 (24)71 (27)
Poes (cm H2O)42 (14)44 (14)50 (13)47 (10)58 (7)58 (4)
FEV1 (% predicted)44 (11)45 (11)36 (8)30 (5)
FVC (% predicted)44 (11)45 (11)36 (8)30 (5)