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Table 4 Crude and adjusted analysis according to mortality.

From: Influence of socioeconomic status on community-acquired pneumonia outcomes in elderly patients requiring hospitalization: a multicenter observational study

  Group N mortality/N group Crude OR (95% CI) P value Adjusted OR (95% CI) P value
Age (years): Median (range) mortality no 77 (65-100)     
  mortality yes 80 (65-96) -- 0.017 1.07 (1.00-1.14) 0.047
Social Class V 5/186     
  I-IVb 22/325 2.63 (0.98-7.04) 0.047 -- --
PSI <4 4/214     
  ≥4 34/375 5.24 (1.83-14.96) 0.001 -- --
Underlying diseases no 3/191     
  yes 38/460 5.64 (1.72-18.51) 0.001 -- --
Disabling Neurological Disease no 29/565     
  yes 12/86 3.00 (1.47-6.13) 0.002 5.00 (1.58-15.83) 0.006
Haematologic neoplasia no 32/607     
  yes 9/44 4.62 (2.05-10.43) 0.001 7.20 (2.29-22.66) 0.001
Chronic renal failure no 39/639     
  yes 2/12 3.08 (0.65-14.53) 0.171 6.59 (1.18-36.94) 0.032
Radiotherapy no 39/647     
  yes 2/4 15.59 (2.14-113.65) 0.021 -- --
Liver disease no 37/630     
  yes 4/21 3.77 (1.21-11.78) 0.037 -- --
Bacteremiaa no 20/350     
  yes 10/55 3.67 (1.61-8.33) 0.003 2.82 (1.11-7.15) 0.029
ICU no 30/600     
  yes 11/51 5.22 (2.44-11.19) <0.001 13.38 (4.64-38.59) <0.001
  1. Abbreviations: CI: Confidence interval; ICU: Intensive Care Unit; OR: Odds Ratio; PSI: Pneumonia Severity Index.
  2. aOnly 405 patients in whom blood cultures were made were evaluated.
  3. For mortality we adjusted by age, disabling neurological disease, haematologic neoplasia, chronic renal failure, bacteremia and ICU.