Table 2.
Prevalence of six common comorbidities among the Parkinson sample (N = 1852).
| Comorbidity rating by physician | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Comorbidity | Absent |
Minimal |
Moderate |
Severe |
Very severe |
|||||
| N | % | N | % | N | % | N | % | N | % | |
| Heart/circulation | 1240 | 63.7 | 496 | 25.5 | 175 | 9.0 | 33 | 1.7 | 4 | 0.2 |
| Respiratory | 1659 | 85.2 | 189 | 9.7 | 78 | 4.0 | 18 | 0.9 | 4 | 0.2 |
| Diabetes | 1772 | 91.0 | 108 | 5.5 | 55 | 2.8 | 12 | 0.6 | 1 | 0.1 |
| Other neurologic | 1751 | 89.9 | 118 | 6.1 | 58 | 3.0 | 15 | 0.8 | 6 | 0.3 |
| Cancer | 1688 | 86.7 | 187 | 9.6 | 43 | 2.2 | 28 | 1.4 | 2 | 0.1 |
| Arthritis | 1041 | 53.4 | 473 | 24.3 | 328 | 16.8 | 86 | 4.4 | 20 | 1.0 |
Heart/circulation category included: hypertension, past heart attack, heart failure, irregular heartbeat, peripheral artery disease; Respiratory include: asthma, COPD, etc. Other neurologic included stroke, neuropathy, head injury, etc. Arthritis category included pain in joints, hips, knees, shoulder, and spine, with no distinction between osteoarthritis and rheumatoid arthritis.