Time since joining INICC | ICUs, n | Central line days, n | CLAB, n | Crude CLAB rate/1000 CL days | IRR accounting for clustering by ICU | P value |
---|---|---|---|---|---|---|
1-3 months (baseline) | 13 | 3,129 | 71 | 22.7 | 1 | - |
4-12 months | 13 | 9,751 | 170 | 17.4 | 0.79 (0.59 – 1.04) | 0.103 |
Second year | 11 | 7,287 | 123 | 16.9 | 0.63 (0.46 – 0.87) | 0.004 |
Third year | 6 | 6,425 | 79 | 12.3 | 0.53 (0.38 – 0.76) | 0.001 |