Table 2.
CVAD performance (N = 200; 6993 catheter days) and projected economic cost.
| Proportion of CVADs (%) | 95% CI | Episodes (N) | Incidence rate per 1000 catheter days | 95% CI | Cost per episode | 95% CI | Cost per 1000 CVADs | |
|---|---|---|---|---|---|---|---|---|
| CVAD failure | 20 | 15–26 | 40 | 5.72 | 4.09–7.78 | A$826 | A$762–A$890 | A$165,372 |
| Tunneled, non-cuffed (n = 7) | 43 | 9–82 | 3 | 10.87 | 2.25–31.44 | A$824 | A$591–A$1060 | A$354,320 |
| Tunneled HD (n = 5) | 40 | 5–85 | 2 | 6.85 | 0.83–24.52 | A$889 | $581–A$1200 | A$355,600 |
| Non-tunneled (n = 18) | 39 | 17–64 | 7 | 46.35 | 18.83–93.18 | A$569 | A$464–A$674 | A$221,910 |
| Non-tunneled HD (n = 5) | 20 | 0–72 | 1 | 24.68 | 0.63–131.58 | A$569 | A$291–A$847 | A$113,800 |
| Totally implanted (n = 21) | 19 | 5–42 | 4 | 2.41 | 0.66–6.16 | A$1464 | A$1110–A$1820 | A$278,160 |
| Tunneled, cuffed (n = 25) | 16 | 5–36 | 4 | 2.11 | 0.58–5.40 | A$824 | A$622–A$1030 | A$131,840 |
| PICC (n = 119) | 16 | 10–24 | 19 | 7.09 | 4.27–11.05 | A$649 | A$576–A$722 | A$103,840 |
| CVAD complicationa | 43 | 36–50 | 86 | 12.29 | 9.84–15.16 | A$2327 | A$2200–A$2450 | A$1,000,610 |
| Infectious complications | ||||||||
| CABSI | 5 | 2–9 | 10 | 1.43 | 0.69–2.63 | A$14,943b | A$12,600–A$17,300 | $749,150 |
| Local infection | 0 | 0 | 0 | 0 | 0 | $0 | $0 | $0 |
| Thrombotic complications | ||||||||
| Occlusion | 25 | 19–31 | 49 | 7.00 | 5.19–9.25 | A$239 | A$223–A$256 | A$59,750 |
| Breakage | 4 | 2–8 | 8 | 1.14 | 0.49–2.25 | A$381 | A$315–A$447 | A$15,240 |
| Venous thrombosis | 3 | 1–6 | 5 | 0.72 | 0.23–1.67 | A$7045b | A$5510–A$8590 | A$211, 350 |
| Dislodgement | ||||||||
| Partial dislodgement | 16 | 11–21 | 31 | 4.43 | 3.01–6.29 | A$43 | A$39–A$47 | A$30,400 |
| Complete dislodgement | 2 | 1–5 | 4 | 0.57 | 0.16–1.46 | A$1469 | A$1110–A$1830 | A$29,380 |
| Insertion-related complication | 1 | 0–3 | 2 | 0.20 | 0.00–1.03 | A$09 | A$5–$13 | A$90 |
| Severe skin complication | 8 | 4–12 | 15 | 2.15 | 1.20–3.53 | A$1533 | A$1340–A$1730 | A$122,640 |
aOne device can have more than one complication type; expected cost per episode adjusted to include only one replacement device in instances of multiple complications.
bSource: National Hospital Cost Data Collection. Public Hospitals Cost Report, Cost Weights, for Ar-Drg Version 8.0 Round 22 Sydney: IHPA (2020).