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Table 2 Univariate analysis for in-hospital mortality

From: The effect of comorbidities for the prognosis of community-acquired pneumonia: an epidemiologic study using a hospital surveillance in Japan

Variablesn (%)OR (95% CI)p-value
Age, yearsa475 (88.8)1.04 (1.01–1.07)0.01
Sex
 Male329 (61.5)Reference 
 Female146 (27.3)1.18 (0.63–2.24)0.61
Pneumonia severity
 Mild
A-DROP = 0
68 (12.7)Reference 
 Moderate
A-DROP = 1–2
338 (63.2)1.28 (0.43–3.80)0.66
 Severe
A-DROP = 3
52 (9.7)4.29 (1.28–14.39)0.02
 Extremely severe
A-DROP = 4–5
17 (3.2)11.20 (2.77–45.31)< 0.01
Charlson Comorbidity Index (CCI)b475 (88.7)1.35 (1.16–1.58)< 0.01
Charlson Comorbidity Index componentsc
 Any malignancy   
  No349 (73.5)Reference 
  Yes126 (26.5)2.25 (1.21–4.17)0.01
 Chronic pulmonary disease
  No367 (77.3)Reference 
  Yes108 (22.7)1.04 (0.51–2.13)0.91
 Congestive heart failure
  No375 (78.9)Reference 
  Yes100 (21.1)1.89 (0.98–3.65)0.06
 Renal disease
  No422 (88.8)Reference 
  Yes53 (11.2)2.42 (1.13–5.21)0.02
 Diabetes with complication
  No434 (91.4)Reference 
  Yes41 (8.6)2.03 (0.84–4.87)0.11
 Dementia
  No435 (91.6)Reference 
  Yes40 (8.4)2.10 (0.87–5.04)0.10
 Rheumatologic disease
  No459 (96.6)Reference 
  Yes16 (3.4)1.31 (0.29–5.97)0.72
 Mild liver disease
  No460 (96.8)Reference 
  Yes15 (3.2)0.64 (0.08–5.00)0.67
  1. OR odds ratio, CI confidence interval
  2. aOR for 1 year increasing in age
  3. bOR for one point increasing in CCI
  4. cConditions which has less than 10 cases were not analyzed