Table 2.
MMSE score of the unadjusted and IPW-adjusted groups
| Group | Unadjusted groups |
IPW-adjusted groups |
||||
|---|---|---|---|---|---|---|
| no | MMSE | p value | no | MMSE | p value | |
| Polypharmacy | ||||||
| No | 88 | 27.8±2.6 | <0.001 | 123.5 | 27.7±2.6 | 0.001 |
| Yes | 43 | 25.8±2.3 | 108.7 | 26.2±2.0 | ||
Values are presented as means ± SD or numbers. The following confounders were adjusted for IPW with propensity scores: age, sex, years of education, social history (alcohol drinking habits and smoking), medical history (hypertension, diabetes, dyslipidemia, ischemic heart disease, and stroke), clinical characteristics of PD (disease duration, motor subtype, Hohen and Yahr scale, depression, orthostatic hypotension, olfactory dysfunction, and RBD).