Skip to main content

Table 2 Reliability of pharmacy sales compared with ward stock data of broad-spectrum antibiotics (BSAs) 1 for different registration intervals

From: Pharmacy sales data versus ward stock accounting for the surveillance of broad-spectrum antibiotic use in hospitals

Interval

No. reg.

ICC 2 all BSA (CI 3)

ICC parenteral BSA (CI)

ICC oral BSA (CI)

1 week

1 040

0.65 (0.61-0.69)

0.78 (0.76 - 0.81)

0.46 (0.32 - 0.59)

2 weeks

520

0.77 (0.74 - 0.81)

0.87 (0.85 - 0.89)

0.53 (0.35-0.70)

3 weeks

360

0.82 (0.79-0.86)

0.93 (0.92 - 0.95)

0.54 (0.32-0.76)

4 weeks

280

0.90 (0.88-0.93)

0.94 (0.92 - 0.95)

0.74 (0.58 - 0.90)

  1. 1 Broad-spectrum antibiotics: ciprofloxacin (parenteral and oral), cefuroxime, cefotaxime, ceftazidime, ceftriaxone, meropenem, and imipenem/cilastatin
  2. 2 ICC: intraclass correlation coefficient
  3. 3 CI: 95% confidence interval