Fig. 2From: An observational case study of hospital associated infections in a critical care unit in Astana, KazakhstanSamples for bacterial culture and analysis were obtained from patients who presented with HAI symptoms. Samples were cultured using standard microbiological methods; isolated bacteria were identified by standard microbiological methods according to Clinical and Laboratory Standards Institute (CLCI) specifications [12, 13]. For comparison, Chi-square test was conducted with a p-value < 0.001**. The subgroup ‘Others’ includes rare strains of bacteria (with incidence of < 5%), which were different for each year (comparing 2014 and 2015).Back to article page