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Table 3 Health care region organisational factors

From: A mortality prediction rule for non-elderly patients with community-acquired pneumonia

  

30-day mortality

Factor

No. of cases (%)

Crude OR

Adjusted ORa

 

(n = 49,370))

(95 % CI)

(95 % CI)

Hospital volume (no. of beds)

  ≤ 200

7,373 (14.9)

Reference

Reference

 201–600

31,868 (64.5)

1.2 (1.0–1.5)

1.0 (0.8–1.3)

  ≥ 601

10,129 (20.5)

1.7 (1.4–2.3)

1.2 (0.9–1.5)

Distance from the patients’ home to the hospital (km)

 ≤10

14,325 (29.0)

Reference

Reference

 11–30

23,782 (48.2)

1.3 (1.1–1.5)

0.9 (0.8–1.1)

 ≥31

11,263 (22.8)

1.6 (1.3–1.9)

1.0 (0.8–1.2)

Weekend or holiday admission

10,237 (20.7)

1.3 (1.1–1.5)

1.1 (0.9–1.3)

  1. Definition of abbreviations: OR odds ratio, CI confidence interval
  2. aThe ORs were adjusted for all factors of patients’ characteristics, pneumonia characteristics, and health care region organisational factors. The c statistic for the model is 0.89217