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Table 2 Primary BSI, Secondary BSI and CLABSI rates per each phase

From: A multicenter quasi-experimental study: impact of a central line infection control program using auditing and performance feedback in five Belgian intensive care units

Phase

Admissions

Patient-days

CVC-days

Mean CVC-utilization ratio

Total BSI episodes

Primary BSI (no CVC)

Secondary BSI (per 1,000 Patient- days)

CLABSI [mean CLABSI per 1,000 CVC-days*]

1

1,354

7,604

6,045

0.79 ± 0.07

37

1

12 (1. 58)

24 [4.00 (1.94-6.06)]

2

1,571

7,882

6,399

0.80 ± 0.11

33

6

15 (1.90)

12 [1.81 (0.46-3.17)]

3

1,439

7,615

6,023

0.78 ± 0.10

44

0

28 (3.68)

16 [2.73 (1.17-4.29)]

Total

4,364

23,101

18,467

0.79 ± 0.09

114

7

55 (2.38)

52 [2.85 (1.97-3.72)]

  1. *Incidence Rate Ratio (95% Confidence Interval) and p-value (Poisson regression).
  2. In the phase 2 compared to phase 1: 0.49 (0.24-0.98), p = 0.043.
  3. In the phase 3 compared to phase 1: 0.67 (0.36-1.26), p = 0.212.
  4. In the phase 3 compared to phase 2: 1.37 (0.65-2.89), p = 0.413.