Table 1.
The association between clinical trial characteristic and median number of excluded chronic conditions (N = 58 trials)
| Clinical trial characteristic | Median number of excluded conditions (IQR)* | P |
|---|---|---|
| Eligible sex | .03 | |
| Women, only (41 trials) | 2 (1–6) | |
| Men and women (17 trials) | 0 (0–3) | |
| Eligible age groups | .59 | |
| Adults and seniors, 18 y or older (43 trials) | 2 (0–6) | |
| Children, adults, and seniors of all ages (10 trials) | 0.5 (0–4) | |
| Adult, only, 18–64 y (5 trials) | 3 (1–5) | |
| Study type | <.001 | |
| Treatment (30 trials) | 3.5 (2–6) | |
| Supportive care (23 trials) | 1 (0–2) | |
| Prevention (5 trials) | 0 (0–4) | |
| Overall (58 trials) | 2 (0–5) | N/A |
*Conditions were adapted from the list of the most impactful chronic conditions compiled by a multiple chronic conditions working group at the Office of the Assistant Secretary of Health (12). IQR = interquartile range.