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Table 1 Demographic characteristics of the study population

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. Age
   Overall 49.0 ± 0.9 52.0 ± 0.9 0.02 (0.45; 5.69)
   Internal Medicine 50.0 ± 1.3 52.0 ± 1.2 0.30 (-1.61; 5.18)
   Surgery 47.0 ± 1.9 49.0 ± 2.2 0.41 (-3.47; 8.41)
   Neurology 49.0 ± 1.8 57.0 ± 2.3 0.01 (1.89; 13.46)
2. Distribution by age bracket
   13 |- 20 19.0 21.0 0.57 (-0.04; 0.03)
   20 |- 30 74.0 45.0 0.01 (0.01; 0.10)
   30 |- 40 79.0 60.0 0.24 (-0.02; 0.07)
   40 |- 50 78.0 72.0 0.73 (-0.05; 0.04)
   50 |- 60 65.0 63.0 0.75 (-0.05; 0.03)
   60 |- 70 67.0 68.0 0.45 (-0.06; 0.03)
   70 |- 80 58.0 66.0 0.22 (-0.07; 0.01)
   80 |- 90 28.0 28.0 0.88 (-0.03; 0.02)
   90 |- 06.0 09.0 0.32 (-0.02; 0.01)
3. Gender
   Male 301.0 247.0 0.06 (0.00; 0.12)
   Female 173.0 185.0 0.06 (0.00; 0.12)
4. Origin
   Ribeirão Preto (city) 351.0 298.0 0.10 (0.00; 0.10)
   Ribeirão Preto (region) 123.0 134.0 0.10 (0.00; 0.10)
TOTAL 474.0 432.0 --- ---
  1. 95% CI, 95% confidence interval