Table 3.
ME/CFS and co-morbid conditions.
| Variables | ME/CFS visits | Non-ME/CFS visits | P-valuea |
|---|---|---|---|
| Unweighted no. of visits | 130 | 748,334 | |
| Weighted no. of visits1 | 1,354,662 | 4,307,118,192 | |
| Chronic Conditions | |||
| # of chronic conditions, mean (SD) | 1.49 (1.05) | 1.27 (1.40) | 0.406 |
| # of chronic conditions, median (range) | 1 (0–6) | 1 (0–13) | |
| # of chronic conditions (%) | 0.343 | ||
| No chronic condition | 28.70% | 37.82% | |
| 1 chronic condition | 19.19% | 27.47% | |
| 2 or more chronic conditions | 52.11% | 34.71% | |
| Depression | 35.79% | 10.67% | 0.019 |
| Hypertension | 31.14% | 30.66% | 0.965 |
| Diabetes | 20.30% | 13.27% | 0.500 |
| Arthritis | 14.11% | 15.83% | 0.799 |
| Asthma | 13.79% | 5.54% | 0.239 |
| Chronic obstructive pulmonary disease | 12.90% | 4.52% | 0.372 |
| Hyperlipidemia | 11.58% | 17.65% | 0.443 |
| Cancer | 6.59% | 6.92% | 0.945 |
| Cerebrovascular disease | 1.64% | 2.05% | 0.808 |
| Obesity | 1.43% | 8.13% | 0.002 |
| Osteoporosis | 0.11% | 3.18% | <0.001 |
| Congestive heart failure | 0.06% | 2.20% | <0.001 |
| Chronic renal failure | 0.00% | 1.84% | <0.001 |
| Ischemic heart disease | 0.00% | 5.10% | <0.001 |
1. 05-09 NAMCS/OPD.
a
p-values based on adjusted Wald tests with H0, Var|if ME/CFS = Var|if NON−ME/CFS; Column percentages were listed in the table.