Table 4 Early signs of infection, evaluated by the Maddox index, as a function of the skin preparation procedure used
No. of insertion site observations (%) | ||||||
|---|---|---|---|---|---|---|
24 hours after insertion | 48 hours after insertion | 72 hours after insertion | ||||
By procedure | ||||||
Maddox index | A (n = 130) | B (n = 116) | A (n = 109) | B (n = 94) | A (n = 63) | B (n = 56) |
0 | 112 (86%) | 107 (92%) | 81 (74%) | 72 (77%) | 44 (70%) | 41 (73%) |
1 Simple | 12 | 7 | 19 | 12 | 11 | 12 |
2 Simple | 5 | 3 | 7 | 8 | 4 | 2 |
Total – simple | 17 (13%) | 10 (9%) | 26 (24%) | 20 (21%) | 15 (24%) | 14 (25%) |
3 Severe | 0 | 1 | 2 | 1 | 1 | 0 |
4 Severe | 1 | 0 | 0 | 1 | 3 | 1 |
Total – severe | 1 (<1%) | 1(<1%) | 2 (2%) | 2 (2%) | 4 (6%) | 1 (2%) |
5 Major | 0 | 0 | 0 | 0 | 0 | 0 |
Number of PVCs with precursor signs of infections | 18 (14%) | 9 (8%) | 28 (26%) | 22 (23%) | 19 (30%) | 15 (27%) |
27 (11%) | 50 (25%) | 34 (29%) | ||||
p* | 0.127 | 0.706 | 0.684 | |||