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

Table 5 Hazard ratios for mortality by baseline scores (both sum score and sub-scales) of the Severe Respiratory Insufficiency questionnaire in neuromuscular patients (n = 48) 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)	43	0.97	(0.94, 1.00)	0.09	0.97	(0.93, 1.01)	0.16
SRI- Physical Functioning (PF)	46	0.97	(0.94, 0.99)	0.008	0.97	(0.95, 1.00)	0.05
SRI- Respiratory Complaints (RC)	45	1.00	(0.98, 1.02)	0.88	0.99	(0.97, 1.02)	0.67
SRI- Attendant Symptoms and Sleep (AS)	45	1.01	(0.99, 1.03)	0.20	1.00	(0.98, 1.03)	0.43
SRI- Social Relationships (SR)	45	0.98	(0.96, 1.00)	0.14	0.99	(0.96, 1.01)	0.30
SRI- Anxiety (AX)	45	0.99	(0.98, 1.01)	0.46	0.99	(0.97, 1.01)	0.32
SRI- Psychological Well-Being (WB)	43	0.98	(0.96, 1.00)	0.08	0.97	(0.95, 0.99)	0.03
SRI- Social Functioning (SF)	44	0.96	(0.94, 0.99)	0.002	0.97	(0.94, 0.99)	0.02

Abbreviations: SRI Severe Respiratory Insufficiency, HR hazard ratio, CI confidence interval
^a Adjusted for age, daily hours on LTMV and comorbidity
^b Numbers do not add to 48 due to missing in the Severe Respiratory Insufficiency questionnaire

ISSN: 1471-2466