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Table 4 Adjusted association with re-hospitalization within 90 days of initial hospitalization for CAP.

From: Predictors of inhospital mortality and re-hospitalization in older adults with community-acquired pneumonia: a prospective cohort study

Factors OR (95% CI) P
Lower socioeconomic status (Education < high school) 1.98 (0.95, 4.13) 069
Influenza vaccination 0.92 (0.39, 2.18) 842
Pneumococcal vaccination 1.45 (0.70, 3.02) 319
Appropriate antibiotic use 1.44 (0.58, 3.57) 428
Nutrition score 1.17 (0.89, 1.54)a 254
Lower functional status (Barthel score ≤ 17) 0.70 (0.31, 1.61) 406
Male Sex 2.35 (1.13, 4.85) 022
Vitamin E supplement 0.37 (0.16, 0.90) 028
  1. OR = Odds ratio; CI = Confidence interval
  2. aOdds ratio for 5 points increment