Table 3 Risk factors of catheter-related infection.
From: Incidence and challenges in management of hemodialysis catheter-related infections
Univariate analysis | ||||||
|---|---|---|---|---|---|---|
Parameters | CRI | RR | CI à 95% | P | ||
Yes | No | |||||
Gender | Female | 41 | 39 | 1 | Reference | NS |
Male | 59 | 61 | 1.09 | [0.46–1.82] | ||
Age (years) | 58.2 | 55 | 1.01* | [0.99–1.04] | NS | |
BMI | < 30 kg/m2 | 71 | 86 | 1 | Reference | < 0.04 |
> 30 kg/m2 | 29 | 14 | 2.37 | [1.05–5.37] | ||
Poor personal hygiene status | No | 71 | 14 | 1 | Reference | < 0.001 |
Yes | 29 | 86 | 19.80 | [7.65–51.32] | ||
Diabetes | No | 53 | 59 | 1 | Reference | NS |
Yes | 47 | 41 | 0.52 | [0.64–2.46] | ||
Seniority in HD (years) | 16.5 | 3.7 | 1.02 | [1.001–1.043] | < 0.04 | |
History of bacteremia | No | 88 | 96 | 1 | Reference | NS |
Yes | 12 | 4 | 2.38 | [0.57–9.93] | ||
History of catheterization | No | 84 | 95 | 1 | Reference | < 0.04 |
Yes | 16 | 5 | 3.41 | [1.12–10.45] | ||
Insertion site | Internal jugular | 86 | 98 | 1 | Reference | NS |
Femoral | 10 | 0 | 3.60 | [0.58–22.28] | ||
Sub-clavian | 4 | 2 | 2.40 | [0.15–39.22] | ||
Type of catheter | Non-tunnelled | 35 | 85 | 1 | Reference | NS |
Tunnelled | 14 | 31 | 1.19 | [0.56–2.35] | ||
Number of haemodialysis sessions per week | < 3 | 4 | 78 | 1 | Reference | < 0.02 |
3 | 96 | 22 | 6.48 | [1.47–28.64] | ||
Duration of the use of the catheter (months) | 2.23 | 1.42 | 1.25** | [1.02–1.54] | < 0.04 | |
Ferritinemia (ng/ml) | 683.5 | 150.5 | 2.06*** | [1.87–2.71] | < 0.0001 | |
Hemoglobin (g/dl) | 6.8 | 9.4 | 22.2 | [7.9–62.5] | < 0.0001 | |
Albumin (g/l) | 37.1 | 36.7 | 1 | [0.990–1.011] | NS | |
Multivariate analysis | ||||||
|---|---|---|---|---|---|---|
Parameters | RR | CI à 95% | P | |||
Poor personal hygiene status | 29.09 | [7.08–119.5] | < 0.0001 | |||
Duration of use of the catheter(months) | 1.51 | [1.12–2.03] | < 0.007 | |||
Ferritinemia (/100 ng/ml) | 2.39 | [1.63–3.51] | < 0.0001 | |||