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Table 2 Risk factors for ESBL-PE isolation. Derivation Phase

From: Development and validation of a scoring system for predicting cancer patients at risk of extended-spectrum b-lactamase-producing Enterobacteriaceae infections

Variable Adjusted Odds ratio (IC 95%) p Regression coefficient Weighted score Crude score
Prolonged hospitalization (≥7 days) 5,39 (2,46 – 11,80) 0.000 1,68 8 1
Hospitalization during previous year 4,87 (2,99 – 7,93) 0.000 1,58 7 1
Immunosuppressive therapya 2,97 (1,44 – 6,08) 0,003 1,08 5 1
Neutropenia 1,90 (1,12 – 3,24) 0,017 0,64 3 1
Beta-lactams during the previous month 1,61 (1,06 – 2,42) 0,022 0,47 2 1
Invasive devices at the time of cultureb 1,51 (1,01 – 2,25) 0,038 0,41 2 1
Neoplasia in remission 2,78 (1,25 – 6,17) 0,012 1,02 5 1
No chemotherapya 1,90 (1,22 – 2,97) 0,004 0,64 3 1
  1. a during the previous 3 months, bcentral venous catheter, dialysis catheter, surgical drains, bladder catheter, nephrostomy, nasogastric tube