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Table 2 Factors Associated with Early (30-day) Readmissions (N = 2776)

From: HIV and early hospital readmission: evaluation of a tertiary medical facility in Lilongwe, Malawi

Factors Unadjusted RR (95% CI)* P-value Adjusted RR (95% CI)** P-value
Age
 14–20 yrs 1    
 21–30 yrs 1.32 (0.71, 2.42) 0.37   
 31–40 yrs 1.03 (0.56, 1.90) 0.92   
 41–50 yrs 1.36 (0.72, 2.58) 0.34   
 50–99 yrs 0.99 (0.53, 1.86) 0.98   
Gender
 Male 1    
 Female 1.00 (0.74, 1.36) 0.99   
HIV status
 Negative 1   1  
 Positive 2.60 (1.77, 3.81) < 0.0001 2.41 (1.64, 3.53) < 0.0001
 Unknown 0.94 (0.57, 1.54) 0.80 1.06 (0.64, 1.73) 0.83
Discharge Diagnoses
 Anemia 1.77 (1.21, 2.60) < 0.0001   
 Pneumonia 1.24 (0.83, 1.84) 0.30   
 Sepsis 0.90 (0.56, 1.44) 0.66   
 Heart failure 1.49 (0.87, 2.59) 0.15   
 Malaria 0.35 (0.17, 0.71) 0.01 0.45 (0.22, 0.91) < 0.0001
 Pulmonary TB 1.38 (0.74, 2.56) 0.31   
 Malignancy 3.30 (2.00, 5.48) < 0.0001   
 Diabetes 1.41 (0.74, 2.69) 0.30   
 Gastroenteritis 0.54 (0.24, 1.21) 0.14   
 Meningitis 0.63 (0.28, 1.39) 0.25   
Multiple discharge diagnosis (non-HIV)
 No 1   1  
 Yes 1.53 (1.12, 2.08) 0.01 1.52 (1.11, 2.06) 0.01
Length of stay
 0–1 days 1   1  
 2–7 days 1.96 (1.02, 3.73) 0.04 1.56 (0.82, 3.00) 0.17
 8–15 days 3.50 (1.77, 6.91) < 0.0001 2.43 (1.22, 4.84) 0.01
  ≥ 16 days 5.05 (2.41, 10.62) < 0.0001 3.63 (1.72, 7.67) < 0.0001
Outcome (Index Admission)
 Discharge 1    
 Abscond 1.15 (0.44, 3.01) 0.78   
 Transfer 0.91 (0.30, 2.76) 0.86   
  1. *RR Risk Ratio, **Adjusted Risk Ratio based on a multivariable model that variables are still significant at p < 0.05.
  2. Table 2 shows the multivariable relationship between HIV-positive status and early readmission