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Table 2 Contribution of hospital of admission to Variation in Length of Stay

From: Variation in clinical outcomes and process of care measures in community acquired pneumonia: a systematic review

Study

Number of hospitals

Adjusted for

P value

Total Variation accounted for by the model (%)

Variation accounted for by hospital site (%)

Proportion of total variation accounted for by the model due to hospital site (%)

Cabre et al. 2007 [14]

27

PSI risk class, Complications during hospitalisation, Admission to ICU, Oxygen therapy, Discharge to a NH

< 0.001

28.99

12

41.5

Feagan et al. 2000 [17]

20

PSI, Smoking status, COPD or asthma, Bacterial pneumonia

Not reported

21

7

33.3

Fine et al. 1993 [10]

4

PSI risk class, Age, NH resident, Race, Bacteraemia, Serum sodium <= 130 mmol/l, Hematocirt < 0.295, BUN > = 10.7 mmol/l

< 0.0001

24

10

41.7

Laing et al. 2004 [22]

2

Patient factors:

Age, Duration of fever, COPD, PSI, Cerebrovascular disease, Complications of pneumonia, Heart failure, Ethnicity, Bacteraemia, Diabetes

Process of care measures:

Duration of IV antibiotics, Admission to ICU, Antibiotic guideline adherence, Macrolide and beta-lactam

< 0.01

61

Of which:

Patient factors – 34

POC measures – 26

1

1.6