Table 1.
Selection of patients for statistical analysis and primary failure rates
| Access type | total | unknown outcome |
successfully cannulated |
failed before cannulation |
Primary failure rate (%) |
|---|---|---|---|---|---|
| AVF with ipsilateral catheter | 69 | 7 | 31 | 31 | 50% |
| L AVF, L catheter | 28 | 3 | 14 | 11 | 44% |
| R AVF, R catheter | 41 | 4 | 17 | 20 | 54% |
| AVF with contralateral catheter | 164 | 13 | 71 | 80 | 53% |
| L AVF, R catheter | 156 | 12 | 68 | 76 | 53% |
| R AVF, L catheter | 8 | 1 | 3 | 4 | 57% |
| AVF without catheter | 224 | 32 | 87 | 105 | 55% |
| L AVF | 181 | 23 | 72 | 86 | 54% |
| R AVF | 43 | 9 | 15 | 19 | 56% |
| AVG with ipsilateral catheter | 27 | 1 | 17 | 9 | 35% |
| L AVG, L catheter | 10 | 0 | 6 | 4 | 40% |
| R AVG, R catheter | 17 | 1 | 11 | 5 | 31% |
| AVG with contralateral catheter | 62 | 6 | 35 | 21 | 38% |
| L AVG, R catheter | 61 | 6 | 34 | 21 | 38% |
| R AVG, L catheter | 1 | 0 | 1 | 0 | 0% |
Unless otherwise indicated values shown are number of patients.
AVF, arteriovenous fistula; AVG, arterioventous graft; L, left; R, right