Table 1

Epidemiologic characteristics of patients undergoing hemodialysis treatment at entry of the study, per unit

Hemodialysis Units

1
 2
 3
 4
 5
 6
 Total
Patients
 116
 37
 58
 85
 72
 65
 433
Sex Male (%)
 60.3
 59.5
 63.8
 64.7
 63.9
 52.3
 61
Age (m ± sd)*
 48 (15)
 50 (16)
 49 (15)
 49 (15)
 49 (15)
 55 (14)
 50 (15)
Transfusion (%)
 81.9
 89.2
 82.8
 90.6
 79.2
 83.1
 84.1
No. transf. (%)**






     1 – 2
 36.5
 36.4
 54.2
 33.8
 45.6
 47.2
 41.2
     3 – 6
 40.6
 36.4
 29.2
 37.7
 26.3
 34.0
 34.9
     > 6
 22.9
 27.3
 16.7
 28.6
 28.1
 18.9
 23.9
Duration HD*** (m ± sd)
 41 ± 36
 60 ± 35
 37 ± 34
 55 ± 41
 33 ± 29
 39 ± 34
 43 ± 36
> 1 clinic visited (%)
 11.2
 67.6
 51.7
 37.6
 29.2
 56.9
 36.5
DST (%)
 15.5
 24.3
 31.0
 31.8
 26.8
 26.2
 25.0
Anti-HCV
 24.1
 37.8
 17.2
 12.9
 8.3
 6.2
 16.9
CI95 (%)
 16–33
 22–55
 9–29
 7–22
 3–17
 2–15
 13–21

*m ± sd: mean ± standard deviation;

** No. transf: number of transfusions received;

***Duration HD: duration in months of the hemodialysis treatment.

Santos and Souto BMC Public Health 2007 7:32   doi:10.1186/1471-2458-7-32