Table 2

Medication discrepancies and ADEs caused by medication discrepancies in hospitalised nursing home patients, stratified by VA/non-VA group

VANon-VAUnadjusted differenceAdjusted difference*
Medication discrepancies (mean (SD))2.62 (2.16)2.55 (2.18)Diff 0.07 (−0.26 to 0.42)Diff 0.02 (−0.81 to 0.85)
High-risk medication discrepancies (mean (SD))0.96 (1.07)0.75 (0.92)Diff 0.21 (0.05 to 0.38)§Diff −0.18 (−0.22 to 0.58)
ADE caused by a medication discrepancy (% of hospitalisation episodes)18.1%21.5%OR 0.83 (0.44 to 1.59)OR 0.96 (0.18 to 5.01)
(Subsample n=127 VA; n=177 non-VA)
  • * All models were adjusted for gender, age, prehospitalisation number of medications, Charlson comorbidity score, APACHE score, off-hours admission, admission diagnoses and duration of follow-up.

  • At the time of hospital admission.

  • At the time of hospital admission or discharge.

  • § p=0.01 for VA/non-VA group comparison.

  • ADE, adverse drug events; VA, US Department of Veterans Affairs.