Table 1.
Baseline characteristics of the study population consisting of 194 patients on RRT
| All patients | Haemodialysis | Peritoneal dialysis | |||||
|---|---|---|---|---|---|---|---|
| Characteristics | n | % | n | % | n | % | P-value |
| Gender (Female/male) | 84/110 | 43.3/56.7 | 74/93 | 44.9/55.1 | 10/17 | 37.0/63 | .6182 |
| Active immunosuppressive therapya | |||||||
| Corticosteroids | 19 | 9.8 | 17 | 10.2 | 2 | 7.4 | |
| Mycophenolat mofetil | 2 | 1.0 | 2 | 1.2 | - | - | |
| Rituximab | 3 | 1.5 | 2 | 1.2 | 1 | 3.7 | |
| D.m., mean (SD) | 78 | 41.8 | 68 | 40.7 | 10 | 37.0 | .8804 |
| Age (years), mean (SD) | 69.6 (14.2) | 71.0 (13.9) | 61.6 (13.8) | .0011 | |||
| Time on RRT (years), mean (SD) | 4.2 (5.6) | 4.6 (5.9) | 2.2 (2.2) | .0364 | |||
| Dialysis quality (Kt/V), mean (SD) | 1.25 (0.3) | ||||||
| Dialysis quality (Kt/V weekly), mean (SD) | 2.0 (0.5) | ||||||
| BMI (kg/m2), mean (SD) | 28.8 (5.6) | 28.8 (6.9) | 28.7 (6.6) | .8735 | |||
| CRP (mg/L), mean (SD) | 8.4 (14.1) | 8.8 (15.0) | 6.5 (7.5) | .192 | |||
| Albumin (g/L), mean (SD) | 31.9(4.7) | 31.9 (4.7) | 36.3 (5.1) | .2001 | |||
aActive immunosuppression was defined as therapy with mycophenolate mofetil, mycophenolic acid and systemic corticosteroids during or rituximab within the last 6 months prior to vaccination. BMI, body mass index; CRP, C-reactive protein; SD, standard deviation.