Fig. 2From: Nudge to better care - blood cultures and catheter-related bloodstream infections in Germany at two points in time (2006, 2015)Adjusted incidence rate ratios for blood culture density categories with the outcome central line-associated bloodstream infection (per 1000 CVC days), results of the multivariable regression analysis of 639 wards, 2006 & 2015. Whiskers represent 95% confidence interval. BCD, blood culture density per 1000 patient days; ref., reference in the model; LOS, length of stayBack to article page