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Table 2 Evolution of distributions according to specialty, percentage of complications, mean mortality rate and presence of co-morbidities

From: The implementation of the Medical Regulation Office and Mobile Emergency Attendance System and its impact on the gravity profile of non-traumatic afflictions treated in a University Hospital: a research study

Variables

May 1996

May 2001

P

95% CI

1. Clinical areas

   Internal medicine

260.0

284.0

<0.01

(0.04; 0.17)

   Surgery

107.0

79.0

0.11

(-0.01; 0.09)

   Neurology

107.0

69.0

0.01

(0.01; 0.10)

2. Mortality rate observed (%)*

   Overall

6.1

12.2

<0.01

(0.08; 0.31)

   Internal medicine

5.0

11.6

0.10

(-0.01; 0.17)

   Surgery

5.6

8.8

0.41

(-0.07; 0.18)

   Neurology

9.3

18.8

0.14

(-0.07; 0.47)

3. Presence of co-morbidities (%)

   Overall

66.6

77.0

<0.01

(0.04; 0.16)

   Internal medicine

73.4

80.9

0.04

(0.01; 0.14)

   Surgery

47.6

64.5

0.03

(0.02; 0.31)

   Neurology

69.1

75.3

0.47

(-0.19; 0.07)

4. Percentage of complications observed during the hospital stay

   Overall

11.9

31.0

<0.01

(0.13; 0.24)

   Internal medicine

13.4

31.3

<0.01

(0.10; 0.24)

   Surgery

8.6

21.5

0.02

(0.02; 0.22)

   Neurology

31.7

36.2

0.65

(-0.19; 0.09)

TOTAL

474.0

432.0

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  1. 95% CI, 95% confidence interval
  2. *Value of P and 95% CI are results expressed after adjustments done by the APACHE II score index, using the multiple logistic regression analysis.