Table 3.

Multivariate logistic regression of thirty-day readmissions

Variable	Adjusted Odds Ratio (95% CI)
HIV Status
Uninfected (referent)	1.00
Infected	1.50 (1.46, 1.54)
Gender
Female	0.89 (0.88, 0.90)
Male (referent)	1.00
Age (years)
18 – 34 (referent)	1.00
35 – 44	1.12 (1.10, 1.13)
45 – 54	1.22 (1.21, 1.24)
55 – 64	1.31 (1.29, 1.32)
≥ 65	1.19 (1.18, 1.21)
Race / Ethnicity
Non-Hispanic White (referent)	1.00
Non-Hispanic Black	1.13 (1.12, 1.14)
Hispanic	0.97 (0.96, 0.98)
Asian / Pacific Islander	0.94 (0.93, 0.95)
Native American	1.09 (1.04, 1.15)
Other / Missing	0.86 (0.85, 0.87)
Insurance
Medicare* (referent)	1.00
Medicaid	0.98 (0.97, 0.99)
Private	0.57 (0.57, 0.58)
Self-pay	0.56 (0.55, 0.57)
No charge	0.64 (0.62, 0.65)
Other / Missing	0.63 (0.62, 0.64)
State
CA (referent)	1.00
FL	1.01 (1.00, 1.02)
GA	0.78 (0.76, 0.80)
LA	0.99 (0.98, 1.00)†
MA	1.03 (1.02, 1.04)
MO	0.98 (0.97, 0.99)
TN	0.94 (0.93, 0.95)
VA	0.97 (0.96, 0.98)
WA	0.93 (0.92, 0.94)
Diagnostic Category
AIDS-defining Illness (referent)	1.00
Non-AIDS infection	0.75 (0.72, 0.77)
Oncologic	0.92 (0.89, 0.95)
Endocrine / Metabolic / Nutritional / Immune	0.80 (0.77, 0.83)
Hematologic	1.03 (0.99, 1.07)†
Psychiatric	0.85 (0.82, 0.88)
Neurologic	0.60 (0.58, 0.62)
Cardiovascular	0.68 (0.66, 0.71)
Pulmonary	0.86 (0.83, 0.89)
Gastrointestinal / Liver	0.69 (0.67, 0.72)
Renal / Genitourinary	0.69 (0.66, 0.71)
Obstetric / Gynecologic	0.25 (0.24, 0.26)
Dermatologic	0.86 (0.81, 0.90)
Musculoskeletal	0.34 (0.33, 0.35)
Injury / Poisoning	0.62 (0.60, 0.64)
Symptomatic	0.63 (0.61, 0.65)
Unclassified	0.69 (0.65, 0.72)

^*Medicare includes Medicare / Medicaid dually enrolled

All adjusted odds ratios are statistically significant, p < 0.05, except those marked by an †