Table 2.

Unadjusted and adjusted ORs and 95% CIs (95% CI) for early readmission/death (0–7 days)

Variable	Unadjusted OR (95% CI)	P value	Adjusted OR (95% CI)*	P value
Malnourished	4.57 (1.69 to 12.37)	0.001	5.01 (1.69 to 14.75)	0.009
Age	1.00 (0.96 to 1.05)	0.73	1.00 (0.94 to1.05)	0.80
Female sex	0.42 (0.19 to 0.89)	0.03	0.42 (0.17 to 1.04)	0.06
Total comorbidities	1.08 (0.95 to 1.23)	0.25	1.15 (0.96 to 1.38)	0.13
Charlson Comorbidity Index	1.16 (0.96 to 1.40)	0.12	1.08 (0.84 to 1.39)	0.55
Medications during index admission	0.97 (0.88 to 1.05)	0.47	0.91 (0.81 to 1.02)	0.12
LOS of index admission	1.03 (1.01 to 1.04)	0.001	1.03 (1.00 to 1.05)	0.02
Admission in last 6 months prior to index admission	0.77 (0.53 to 1.12)	0.13	0.66 (0.27 to 1.58)	0.35
Principal diagnosis index admission
Reference (respiratory illness)	–	–	–	–
CVS	0.63 (0.23 to 1.75)	0.38	0.63 (0.20 to 2.04)	0.44
CNS	0.61 (0.16 to 2.32)	0.48	0.34 (0.06 to 1.93)	0.23
GIT	0.54 (0.13 to 2.59)	0.44	0.42 (0.07 to 2.36)	0.33
Falls	–	–	–	–
Urinary	–	–	–	–
Miscellaneous	0.61 (0.23 to 1.61)	0.31	0.35 (0.11 to 1.12)	0.07
ICU hours during index admission	1.03 (0.99 to 1.02)	0.56	1.01 (0.97 to 1.05)	0.63
Total MET calls index admission	1.55 (0.95 to 2.54)	0.08	0.84 (0.31 to 2.22)	0.72

*OR determined using multivariable logistic regression (using early/late readmissions or death as outcome variable).

CNS, central nervous system; CVS, cardiovascular; GIT, gastrointestinal; ICU, intensive care unit; LOS, length of hospital stay; MET, medical emergency team.