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

Pre-intervention trend

Point of change 1

Post 1 trend

Point of change 2

Post 2 trend

AMPC [CI95%] (p-value)

Month [CI95%] p < 0.05

AMPC [CI95%] (p-value)

Month [CI95%] p < 0.05

AMPC [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)

ICU

0.23%[−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 wards

1.07% [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)