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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

Variables

n (%)

OR (95% CI)

p-value

Age, yearsa

475 (88.8)

1.04 (1.01–1.07)

0.01

Sex

 Male

329 (61.5)

Reference

 

 Female

146 (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)b

475 (88.7)

1.35 (1.16–1.58)

< 0.01

Charlson Comorbidity Index componentsc

 Any malignancy

   

  No

349 (73.5)

Reference

 

  Yes

126 (26.5)

2.25 (1.21–4.17)

0.01

 Chronic pulmonary disease

  No

367 (77.3)

Reference

 

  Yes

108 (22.7)

1.04 (0.51–2.13)

0.91

 Congestive heart failure

  No

375 (78.9)

Reference

 

  Yes

100 (21.1)

1.89 (0.98–3.65)

0.06

 Renal disease

  No

422 (88.8)

Reference

 

  Yes

53 (11.2)

2.42 (1.13–5.21)

0.02

 Diabetes with complication

  No

434 (91.4)

Reference

 

  Yes

41 (8.6)

2.03 (0.84–4.87)

0.11

 Dementia

  No

435 (91.6)

Reference

 

  Yes

40 (8.4)

2.10 (0.87–5.04)

0.10

 Rheumatologic disease

  No

459 (96.6)

Reference

 

  Yes

16 (3.4)

1.31 (0.29–5.97)

0.72

 Mild liver disease

  No

460 (96.8)

Reference

 

  Yes

15 (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