Table 1.

Demographic and clinical admission data for ICU survivors enrolled in the QI project (Pre-QI data is included for comparison)^a

	Pre-QI	Improvement Cycle 1			Improvement Cycle 2
January to March	2012 (n=16)	2013 (n=19)	2014 (n=24)	2015 (n=22)	2016 (n=19)
Age (years)	63.8 (9.0)	55.8 (13.2)	59.3 (17.3)	60.5 (12.8)	59.7 (15.0)
Gender (M:F), n	8:8	11:8	14:10	16:6	10:9
BMI	26.6 (7.8)	25.9 (9.2)	25.5 (5.1)	27.1 (4.6)	23.5 (3.4)
APACHE II score	23.2 (5.7)	20.1 (6.7)	19.6 (6.2)	19.0 (8.6)	17.9 (5.8)
CCI	1.6 (0.9)	0.9 (1.1)	1.3 (2.1)	0.9 (1.0)	1.0 (1.7)
Admission type (n (%)) Respiratory medicine Renal medicine Hepatology Gastroenterology Cardiology Haemotology Trauma Surgical	16 (100%) 0 0 0 0 0 0 0	14 (74%) 0 4 (21%) 0 1 (5%) 0 0 0	18 (76%) 1 (4%) 2 (8%) 0 2 (8%) 0 1 (4%) 0	14 (65%) 1 (4%) 1 (4%) 0 5 (23%) 1 (4%) 0 0	10 (53%) 1 (5%) 1 (5%) 2 (11%) 4 (21%) 0 1 (5%) 0

^aBMI: Body Mass Index. APACHE II: Acute Physiological and Chronic Health Evaluation II (20). CCI: Charlson Comorbidity Index (21), ICU: Intensive Care Unit. (APACHE II score reflects the severity of disease on admission to intensive care. CCI indicates the burden of existing comorbidities).

Data are expressed as mean (standard deviation), unless otherwise indicated.