Table 2:

Logistic regression for the retrospective cohort. The comparison group was those patients who developed persistent critical illness.

Compared to patients who developed Persistent Critical Illness
	Alive and discharged before Persistent Critical Illness		Dead before onset of Persistent Critical Illness
	RRR	95% CI	RRR	95% CI
25-hydroxyvitamin D (per ng/mL)	1.02	1.00–1.04	1.02	0.99– 1.05
SAPS II (per point)	0.99	0.97–1.00	0.992	0.97–1.01
TISS-28 (per point)	0.89	0.87–0.92	1.01	0.98–1.06
Age (per year)	1.01	1.00–1.03	1.04	1.01–1.06
ICU Type
Medical	0.84	0.48–1.47	0.84	1.11–9.18
Mixed Surgical	1.04	0.55–1.98	2.10	0.64–8.71
Neurologic	1.03	0.52–2.03	2.39	0.07–8.71
Neurosurgery	0.07	0.02–0.21	0.37	0.04–3.50

SAPS II: Simplified acute physiology score; TISS-28: Therapeutic Intervention Score; ICU: Intensive care unit; RRR: relative risk ratio