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Table 1 Patient characteristics (n = 3471)

From: A comparison of comorbidities obtained from hospital administrative data and medical charts in older patients with pneumonia

Characteristic

 

Mean age, years (SD)

77.3 (10.8)

Male gender, n (%)

1885 (54.3)

Nursing home residents, n (%)

675 (19.5)

Ethnic group, n (%)

 

   Chinese

2721 (78.4)

   Malay

373 (10.7)

   Indian

225 (6.5)

   Others

152 (4.4)

No. of Elixhauser comorbid conditions, n (%)

 

   0

258 (7.4)

   1-2

1544 (44.5)

   3-4

1263 (36.4)

   5-6

367 (10.6)

   7-8

34 (1.0)

   9-10

5 (0.1)

   >10

0 (0)

Hospital admission in the previous 90 days, n (%)

440 (12.7)

CURB* score, n (%)

 

   0

1544 (44.5)

   1

1399 (40.3)

   ≥2

528 (15.2)

Mean length of stay, days (SD)

9.8 (12.4)

Death in hospital, n (%)

693 (20.0)

  1. *CURB = Constructed from 4 "core" adverse prognostic features: Confusion, Urea, Respiratory rate, Blood pressure [35]