Table 1 Demographic characteristics of the study population
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 | --- | --- |