Table 3 Binomial logistic regression for the association between polypharmacy and healthcare services utilization

All-cause ED visits

1.49 (0.99–2.23)

0.051

1.34 (0.89–2.03)

0.166

All-cause hospitalization

1.77 (1.16–2.70)

0.008**

1.66 (1.08–2.56)

0.022**

ED visits for pneumonia

1.51 (0.77–2.97)

0.234

1.35 (0.67–2.69)

0.400

Hospitalization for pneumonia

1.47 (0.74–2.89)

0.271

1.33 (0.66–2.66)

0.427

Mortality

1.16 (0.72–1.89)

0.541

1.05 (0.63–1.75)

0.846