Table 2

Risk of death and rehospitalisation among survivors of the initial HRF episode, by presence or absence of potential cause (N=513)

Risk of deathRisk of rehospitalisationRisk of death or rehospitalisation
Causen (%)UnadjustedAdjusted*UnadjustedAdjusted*UnadjustedAdjusted*
HR
(95% CI)		PHR
(95% CI)		PHR
(95% CI)		PHR
(95% CI)		PHR
(95% CI)		PHR
(95% CI)		P
COPD316 (62%)1.24
(0.99, 1.56)		0.061.11
(0.87, 1.40)		0.41.60
(1.32, 1.94)		<0.0011.58
(1.28, 1.95)		<0.0011.55
(1.28, 1.88)		<0.0011.42
(1.15, 1.76)		0.001
CCF253 (49%)1.72
(1.38, 2.13)		<0.0011.62
(1.30, 2.01)		<0.0011.40
(1.17, 1.68)		<0.0011.34
(1.10, 1.64)		0.0031.45
(1.21, 1.74)		<0.0011.29
(1.05, 1.57)		0.01
SDB116 (23%)0.91
(0.71, 1.18)		0.50.83
(0.64, 1.09)		0.181.37
(1.11, 1.70)		0.0041.48
(1.19, 1.85)		<0.0011.36
(1.10, 1.69)		0.0051.44
(1.15, 1.80)		0.001
Opioid use101 (20%)0.68
(0.51, 0.90)		<0.0010.74
(0.55, 0.99)		0.041.35
(1.08, 1.70)		0.0081.46
(1.16, 1.84)		0.0011.38
(1.10, 1.73)		0.0051.63
(1.29, 2.06)		<0.001
NMD12 (2%)2.48
(1.32, 4.66)		<0.0012.38
(1.16, 4.90)		0.020.65
(0.34, 1.27)		0.20.62
(0.28, 1.36)		0.31.18
(0.61, 2.29)		0.621.47
(0.64, 3.33)		0.4

  • *Adjusted for age, financial status on admission, marital status, country of birth and the degree of hypercapnia.

  • CCF, congestive cardiac failure; COPD, chronic obstructive pulmonary disease; HRF, hypercapnic respiratory failure; NMD, neuromuscular disease; SDB, sleep disordered breathing.