Skip to main content

Table 2 Univariate Cox Regression Model for Hazard of Hospitalization

From: Lower health-related quality of life predicts all-cause hospitalization among HIV-infected individuals

Variablea Hazard Ratio 95% CI P-Value
Physical Component Summary Score (PCSS)
 Lower Tercile of PCSS 2.52 1.92–3.32 <.0001
 Middle Tercile of PCSS 1.74 1.31–2.33 0.0002
 Upper Tercile of PCSS 1.0
Mental Component Summary Score (MCSS)
 Lower Tercile of MCSS 1.79 1.39–2.30 <.0001
 Middle Tercile of MCSS 1.27 0.97–1.67 0.08
 Upper Tercile of MCSS 1.0
Age (Years, Increment of 5 Years) 0.98 0.94–1.03 0.5
Gender (Male) 1.06 0.70–1.62 0.8
Marital Status (Married) 1.13 0.91–1.40 0.3
Race/Ethnicity
 Non-Hispanic African American 0.96 0.77–1.19 0.7
 Hispanic/Others 0.86 0.63–1.18 0.3
 Non-Hispanic Caucasian 1.0
Rank
 Civilian/Retired 1.47 0.93–2.35 0.1
 Enlisted 1.22 0.77–1.95 0.4
 Officers 1.0
CD4 Count
 CD4 Count < 200 cells/mm3 3.89 2.78–5.44 <.0001
 CD4 Count 200–349 cells/mm3 2.16 1.63–2.86 <.0001
 CD4 Count 350–499 cells/mm3 1.55 1.20–2.00 0.0008
 CD4 Count > 499 cells/mm3 1.0
Plasma Viral Load > 50 Copies/mL 2.36 1.92–2.89 <.0001
Medical Comorbidity 1.05 0.81–1.36 0.7
Mental Comorbidity 1.43 1.16–1.76 0.0009
AIDS Diagnosis 1.67 1.27–2.18 0.0002
Time Since HIV (Per year) 0.98 0.96–0.99 0.002
HAART Treatment
 HAART-Naïve 1.80 1.33–2.43 0.0002
 Off-HAART/Non-HAART ART 1.75 1.26–2.44 0.0008
 Non-PI Based HAART 0.70 0.55–0.87 0.003
 PI Based HAART 1.0
  1. aAll variables are time-varying except for race and gender