Table 3 Odds ratios for admission, with confounding factors taken into account

All units

<95% (ref)

1.00

95–100%

−0.12

0.025

24.26

<0.001

0.88 (0.84–0.93)

100–105%

−0.20

0.029

47.17

<0.001

0.82 (0.78–0.87)

>105%

−0.31

0.046

43.96

<0.001

0.74 (0.67–0.81)

Nagelkerke R2

0.370

Medicine unit

<95% (ref)

1.00

95–100%

−0.14

0.030

22.60

<0.001

0.87 (0.82–0.92)

100–105%

−0.22

0.036

36.46

<0.001

0.80 (0.75–0.86)

>105%

−0.33

0.060

29.86

<0.001

0.72 (0.64–0.81)

Nagelkerke R2

0.367

Surgery unit

<95% (ref)

1.00

95–100%

−0.16

0.035

20.35

<0.001

0.85 (0.80–0.91)

100–105%

−0.17

0.042

17.11

<0.001

0.84 (0.78–0.91)

>105%

−0.17

0.070

6.10

0.014

0.84 (0.73–0.97)

Nagelkerke R2

0.261

Orthopaedics unit

<95% (ref)

1.00

95–100%

0.004

0.049

0.006

0.940

1.00 (0.91–1.11)

100–105%

−0.26

0.061

18.62

<0.001

0.77 (0.68–0.87)

>105%

−0.24

0.096

6.41

0.011

0.78 (0.65–0.95)

Nagelkerke R2

0.421

Emergency physician unit

<95% (ref)

1.00

95–100%

−0.006

0.049

0.016

0.899

0.99 (0.90–1.10)

100–105%

−0.033

0.051

0.41

0.520

0.97 (0.88–1.07)

>105%

−0.25

0.075

10.60

0.001

0.78 (0.68–0.91)

Nagelkerke R2

0.357

Otolaryngology unit

<95% (ref)

1.00

95–100%

0.002

0.12

0.000

0.989

1.00 (0.79–1.28)

100–105%

−0.36

0.15

5.99

0.014

0.70 (0.53–0.93)

>105%

−0.40

0.22

3.44

0.063

0.67 (0.44–1.02)

Nagelkerke R2

0.287