Table 3 Unadjusted and adjusted coefficients of hospital volume for different outcome measures, expressed as odds ratio or beta per 10 patients
Outcome | OR per 10 patients | 95% CI | P-value |
|---|---|---|---|
In-hospital mortality | |||
Unadjusted OR | 1.63 | 0.98–2.71 | 0.06 |
Adjusted* OR | 1.02 | 0.68–1.54 | 0.92 |
Adjusted* OR excluding referred patients | 0.71 | 0.41–1.22 | 0.21 |
Beta per 10 patients | |||
Length of stay (days) | |||
Unadjusted β | 0.05 | −0.01-0.11 | 0.11 |
Adjusted* β | 0.03 | − 0.03-0.09 | 0.33 |
Adjusted* β excluding referred patients | 0.07 | 0.00–0.14 | 0.06 |
Critical care length of stay (days) | |||
Unadjusted β | 0.20 | −0.25-0.65 | 0.39 |
Adjusted* β | −0.02 | −2.84-2.80 | 0.93 |
Adjusted* β excluding referred patients | 0.48 | 0.02–0.94 | 0.04 |
Time to operation (hours) | |||
Unadjusted β | −0.25 | −0.70-0.20 | 0.28 |
Adjusted* β | −0.24 | −0.70-0.22 | 0.31 |
Adjusted* β excluding referred patients | −0.41 | −0.97-0.15 | 0.15 |
Time to CT (hours) | |||
Unadjusted β | −0.32 | −0.61--0.03 | 0.03 |
Adjusted* β | −0.01 | −0.02-0.004 | 0.16 |
Adjusted* β excluding referred patients | −0.03 | − 0.08-0.02 | 0.22 |