Table 1

Median rates and device days

No of central line-associated bloodstream infectionsNo of catheter daysNo of central line-associated bloodstream infections/1000 daysNo of ventilator-associated pneumonia casesNo of ventilator daysNo of ventilator-associated pneumonia cases/1000 days
YearQuarterMedianIQRMedianIQRMedianIQRMedianIQRMedianIQRMedianIQR
2006Q110–2284122–6271.950–4.7800–227474–5400.580–6.13
Q210–2455154–5761.870–3.8500-1256105–49900–5.00
Q310–3455199–6191.810–6.2610-3269133–4831.180–8.98
Q410–2421177–6122.430–4.0200-2264120–48300–6.62
2007Q110–1420162–5990.420–2.5810-227976–5202.760–5.09
Q200–1312154–57800–1.6900–231697–48200–4.00
Q310–1350112–5841.170–3.4200-121768–5180.70–3.25
Q400–1392113–61100–3.1800-226178–5641.280–5.26
2008Q100–1358116–69400–2.0800-225056–58700–5.88
Q200–1419238–59900–1.9900-2338127–50700–2.96