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Table 1 Changes in rates of multidrug resistant Acinetobacter baumannii infection and colonization: results from the joinpoint regression analysis

From: A multimodal intervention program to control a long-term Acinetobacter baumannii endemic in a tertiary care hospital

SettingsIncidence Rates MDR-Ab
 Pre-intervention trendPoint of change 1Post 1 trendPoint of change 2Post 2 trend
AMPC [CI95%] (p-value)Month [CI95%] p < 0.05AMPC [CI95%] (p-value)Month [CI95%] p < 0.05AMPC [CI95%] (p-value)
Adults hospital (ICU + wards)0.21%[−0.40;0.82] (p = 0.50)49 [41;54] (Jan/2013)−12.14% [−17.48;-6.46] (p = 0.001]67 [53;84] (Jul/2014)0.46 [−4.05;5.18] (p = 0.84)
ICU0.23%[−0.25;0.71] (p = 0.34)52 [50;54] (Apr/2013)−30.05%[−55.10;8.98] (p = 0.11)56 [54;67] (Aug/2013)−2,77% [−4.91;-0.57] (p = 0.01)
Adults wards1.07% [0.01;2.13] (p = 0.05)34 [30;50] (Oct/2011)−4.02% [−5.37;-2.65] (p = 0.001)84 [61;95] (Dec/2015)3.94 [−2.40;10.70] (0.23)
  1. AMPC Average monthly percentage change, CI confidence interval, MDR-Ab multidrug resistant Acinetobacter baumannii, ICU intensive care unit