Table 3.

Results of multivariable analysis for factors associated with the presence of PPOs at discharge.

Variables	Odds ratios (95% CI)	P value
Older age	1.08 (1.01–1.16)	0.02
Female sex	1.65 (0.63–4.36)	0.31
Residence at nursing home	2.37 (0.25–22.54)	0.45
Independent walking	0.64 (0.20–2.06)	0.45
Number of medications at discharge	1.09 (0.90–1.33)	0.37
Charlson Comorbidity Index score	1.12 (0.81–1.55)	0.49

The following variables were used: age, sex, residence, Charlson Comorbidity Index score, ambulatory status, and number of medications at discharge. The level of statistical significance was set at 5%.

CI confidence interval, PPO potential prescribing omission.