Table 1.
Descriptive sociodemographic and clinical characteristics of eligible Medicare beneficiaries with active management of Parkinson disease (PD) in 2013 (n=62,786)
| Characteristic | Full Sample (n=62,786) |
Injuries Subset Analysis* (n=55,568) |
|---|---|---|
| Sex, n (Col %) | ||
| Male | 33,178 (52.8) | 29,862 (53.7) |
| Female | 29,608 (47.2) | 25,706 (46.3) |
| Age Category, n (Col %) | ||
| 65-74 years | 18,022 (28.7) | 16,573 (29.8) |
| 75-84 years | 30,190 (48.1) | 26,931 (48.5) |
| ≥85 Years | 14,574 (23.2) | 12,064 (21.7) |
| Race, n (%) | ||
| White | 60,108 (95.7) | 53,221 (95.8) |
| Black | 1,046 (1.7) | 894 (1.6) |
| Other/Missing | 1,632 (2.6) | 1,453 (2.6) |
| Residence, n (Col %) | ||
| Metropolitan | 48,522 (77.3) | 43,428 (78.2) |
| Non-Metropolitan | 14,264 (22.7) | 12,140 (21.9) |
| PD Status | ||
| Incident | 13,005 (20.7) | 9,678 (17.4) |
| Prevalent | 49,781 (79.3) | 45,890 (82.6) |
| Neurologist Care, n (Col %) | ||
| Yes | 51,529 (82.1) | 47,007 (84.6) |
| No | 11,257 (17.9) | 8,561 (15.4) |
| Nursing Facility Residence, n (Col %) | ||
| Yes | 8,307 (13.2) | 6,622 (11.9) |
| No | 54,479 (86.8) | 48,946 (88.1) |
| DBS, n (Col %) | ||
| Yes | 1,986 (3.2) | 1,900 (3.4) |
| No | 60,800 (96.8) | 53,668 (96.6) |
| Combined Comorbidity Score, Median (IQR) | 1.0 (3.00) | 1.0 (3.00) |
| Mean Daily LED (mg), Median (IQR) | 410 (354) | 431 (381) |
| Frailty Status, n (Col %) | ||
| Non-Frail | 67 (0.1) | 64 (0.1) |
| Prefrail | 28,011 (44.6) | 26,024 (46.8) |
| Mildly Frail | 29,009 (46.2) | 25,185 (45.3) |
| Moderately Frail | 5,495 (8.8) | 4,156 (7.5) |
| Severely Frail | 204 (0.3) | 139 (0.3) |
DBS=Deep Brain Stimulation, LED=Levodopa Equivalent Dose
*
Subset sample analysis was restricted to individuals with any PD claim in 2014