Table 4 Univariate analysis of haemodialysis-units variables and HBV infection
HBV carriers | HBV non-carriers | P | |
|---|---|---|---|
Type of haemodialysis equipment | |||
proportional system | 8 (4.9%) | 153 (95.1%) | 0.0071 |
central system | 66 (12.3%) | 469 (87.7%) | |
double tank | 7 (5.9%) | 110 (94.1%) | |
Hygiene frequency | |||
Between shifts | 11 (4.1%) | 256 (95.9%) | 0.0002 |
End of the day | 70 (12.8%) | 476 (87.2%) | |
Sterilization frequency | |||
daily | 8 (5.2%) | 146 (94.8%) | 0.0043 |
weekly | 30 (8.4%) | 326 (91.6%) | |
never | 43 (14.2%) | 260 (85.8%) | |
Dialysis Unit Rooms | |||
B | 26 (86.7%) | 4 (13.3%) | <0.0001 |
B/C | 15 (28.3%) | 38 (71.7%) | |
W | 4 (1.5%) | 265 (98.5%) | |
C | 13 (12.5%) | 91 (87.5%) | |
W/C | 23 (6.4%) | 334 (93.4%) | |
Reuse of lines and dialysis equipments | |||
< 10 times | 21 (5.7%) | 348 (94.3%) | 0.0009 |
≥ 10 times | 60 (13.5%) | 384 (86.5%) | |
Patients/ HCW ratio | |||
1 – 4 | 19 (4.6%) | 396 (95.4%) | <0.0001 |
5 – 8 | 60 (13.5%) | 223 (86.5%) | |
>9 | 17 (14.8%) | 98 (85.2%) |