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Table 2 Descriptive statistics by re-hospitalization status and crude associations with re-hospitalization with 90 days of initial hospitalization for community acquired pneumonia.

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

Factorsa Re-hospitalization within 90 days of initial hospitalization
  Yes
(n = 58)
No
(n = 261)
OR (95% CI) P
Demographic factors     
Age (years)b 79.3 (7.1) 79.8 (7.8) -0.47 (-2.67, 1.72) .673
Male Sexc 44 (75.9) 150 (58.1) 2.26 (1.18, 4.34) .012
Married, living with spouse 33 (58.9) 131 (50.4) 1.41 (0.79, 2.54) .246
Living Alone 13 (23.2) 84 (34.2) 0.58 (0.30, 1.14) .114
BMIa 25.5 (6.0) 25.3 (5.6) 0.21 (-1.49, 1.91) .810
Low socioeconomic status     
Education (< high school)c 45 (79.0) 158 (62.0) 2.30 (1.16, 4.57) .015
Empiric Antibiotics Use     
Appropriate Antibiotics 50 (86.2) 216 (82.8) 1.30 (0.58, 2.93) .523
Pneumonia Severity     
CRB-65a 1.5 (0.6) 1.56 (0.7) -0.06 (-0.25, 0.13) .555
Immunization history     
Influenza Vaccination 48 (82.8) 198 (78.0) 1.36 (0.65, 2.85) .419
Pneumococcal Vaccination 33 (58.9) 142 (55.3) 1.16 (0.64, 2.09) .616
Comorbidities     
Asthma 14 (25.5) 62 (24.5) 1.05 (0.54, 2.06) .882
Cancer 17 (32.1) 66 (26.0) 1.35 (0.71, 2.55) 364
Cerebrovascular Disease 15 (26.8) 56 (21.9) 1.31 (0.67, 2.53) 427
Congestive Heart Failure 24 (43.6) 95 (37.9) 1.27 (0.70, 2.30) 425
COPD 32 (58.2) 131 (51.2) 1.33 (0.74, 2.39) 345
Diabetes Mellitus 14 (25.0) 66 (25.5) 0.97 (0.50, 1.90) 940
Dysphagia 10 (17.9) 38 (14.9) 1.24 (0.58, 2.67) 579
Hip Fracture 2 (3.58) 11 (4.28) 0.83 (0.18, 3.84) 810
Liver Disease 1 (1.8) 2 (0.8) 2.3 (0.20, 25.82) 488
Renal Disease 13 (23.2) 40 (15.8) 1.61 (0.79, 3.26) 184
Mineral supplement and medication history     
Vitamin E Supplementationc 8 (15.1) 73 (28.9) 0.44 (0.20, 0.97) 039
Zinc Supplementation 5 (9.6) 33 (13.4) 0.69 (0.26, 1.86) 461
Immunosuppressive Drugs 14 (25.0) 40 (16.1) 1.73 (0.87, 3.47) 117
Lifestyle factors     
Smoking (> 100 cigarettes) 44 (77.2) 201 (77.3) 0.99 (0.50, 1.97) 985
Household Smoking 12 (21.1) 47 (18.1) 1.21 (0.59, 2.46) 601
Alcohol (gram/month)a, c 5.8 (15.8) 10.6 (31.6) -4.86 (-13.33, 3.61) 093
Nutritional Scorea 48.7 (5.9) 47.3 (6.7) 1.41 (-0.49, 3.31) 145
Low functional status     
Barthel Score (≤ 17) 9 (15.8) 60 (23.2) 0.62 (0.29, 1.34) 222
  1. aDescriptive statistics are expressed as mean (standard deviation (SD)) for continuous variables and count (percentage) for binary variables
  2. bContinuous variables
  3. cp ≤ .10