| Variable | No. (%) of catheters* n = 656 |
|---|---|
| No. of doses | |
| 1 | 38 (5.8) |
| 2 | 20 (3.0) |
| 3 | 7 (1.1) |
| ≥ 4 | 10 (1.5) |
| Type of catheter | |
| Single-lumen (n = 436) | 31 lumina (7.1) |
| Double-lumen (n = 220 = 440 lumina) | 113 lumina (25.7)† |
*Except where noted otherwise.
†p < 0.001.