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Table 3 Model-detected Trends in Patterns of Resistance in Enterobacteriaceae and Acinetobacter spp. from 2013 to 2017

From: Trends in resistant Enterobacteriaceae and Acinetobacter species in hospitalized patients in the United States: 2013–2017

Pathogen Class Pathogen Measurement Overall (5-year) linear trend Seasonality
Pattern Quarterly slope (95% CI) p Pattern p
Enterobacteriaceae ESBL Rate per 100 admissions Increasing 0.0089 (0.0052, 0.0127) < 0.0001 Insignificant 0.0617
% of isolates tested Increasing 0.1510 (0.0974, 0.2045) < 0.0001 Insignificant 0.1168
Carb-NS Rate per 100 admissions Increasing 0.0004 (0.0001, 0.0006) 0.0047 Insignificant 0.5075
% of isolates tested Insignificant 0.0013 (−0.0027, 0.0052) 0.5331 Insignificant 0.1301
MDR Rate per 100 admissions Decreasing −0.0022 (−.0038, −.0006) 0.0066 Insignificant 0.0501
% of isolates tested Decreasing −0.0273 (− 0.0499, − 0.0048) 0.0176 Q1 higher,
Q3 lower
0.0010
Acinetobacter spp. Carb-NS Rate per 100 admissions Decreasing −0.0009 (− 0.0011, − 0.0006) < 0.0001 Insignificant 0.1421
% of isolates tested Insignificant −0.1075 (− 0.0904, 0.0697) 0.2345 Q1 higher,
Q3 lower
< 0.0001
MDR Rate per 100 admissions Decreasing −0.0014 (− 0.0017, − 0.0010) < 0.0001 Insignificant 0.2189
% of isolates tested Decreasing −0.4269 (− 0.5793, − 0.2744) < 0.0001 Q1 higher,
Q3 lower
< 0.0001
  1. Abbreviations: Carb-NS carbapenem-nonsusceptible, CI confidence interval, ESBL extended-spectrum beta-lactamase-producing, MDR multidrug resistant, Q quarter