Health-related quality of life as predictor for mortality in patients treated with long-term mechanical ventilation

Table 4 Hazard ratios for mortality by baseline scores (both sum score and subscales) of the Severe Respiratory Insufficiency questionnaire in all patients (n = 112) treated with long-term mechanical ventilation between 2008 and 2014

SRI		Crude			Adjusted^a
SRI	N ^b	HR	95% CI	P value	HR	95% CI	P value
SRI- Sum Score (SS)	103	0.97	(0.95, 0.98)	0.001	0.98	(0.96, 0.99)	0.04
SRI- Physical Functioning (PF)	107	0.97	(0.95, 0.98)	< 0.001	0.98	(0.96, 0.99)	0.007
SRI- Respiratory Complaints (RC)	107	0.98	(0.97, 0.99)	0.01	0.99	(0.98, 1.01)	0.28
SRI- Attendant Symptoms and Sleep (AS)	107	1.00	(0.99, 1.02)	0.50	0.99	(0.98, 1.01)	0.64
SRI- Social Relationships (SR)	106	0.98	(0.97, 0.99)	0.009	0.99	(0.98, 1.00)	0.14
SRI- Anxiety (AX)	106	0.99	(0.99, 1.00)	0.03	0.99	(0.98, 1.00)	0.25
SRI- Psychological Well-Being (WB)	103	0.98	(0.97, 0.99)	0.001	0.98	(0.97, 0.99)	0.009
SRI- Social Functioning (SF)	106	0.97	(0.96, 0.99)	< 0.001	0.98	(0.97, 0.99)	0.02

Abbreviations: SRI Severe Respiratory Insufficiency, HR hazard ratio, CI confidence interval
^a Adjusted for age, education level, daily hours on LTMV, treatment time since initiation of LTMV, disease category and comorbidity
^b Numbers do not add to 112 due to missing in the Severe Respiratory Insufficiency questionnaire

ISSN: 1471-2466