Table 1.
Baseline Characteristics of Radiology Facilities Participating in the OaSiS Trial
| Variable | Overall (N = 26) | Control (n = 13) | Intervention (n = 13) | P Value |
|---|---|---|---|---|
| Health system ownership | .99 | |||
| Private | 23 (88.5) | 11 (84.6) | 12 (92.3) | |
| Public | 2 (7.7) | 1 (7.7) | 1 (7.7) | |
| University | 1 (3.9) | 1 (7.7) | 0 (0.0) | |
| LCS program duration, y | 4.0 (3.0–5.0) | 3.8 (3.0–4.5) | 4.0 (3.0–5.5) | .55 |
| No. of LCSs in the prior 6 mo | 230 (144–442) | 296 (147–485) | 230 (139–429) | .78 |
| Type of navigator for SDM | .15 | |||
| Registered nurse | 8 (30.8) | 3 (23.1) | 5 (38.5) | |
| Nurse practitioner | 3 (11.5) | 3 (23.1) | 0 (0.0) | |
| Medical doctor | 1 (3.9) | 1 (7.7) | 1 (7.7) | |
| Research technician | 1 (3.9) | 0 (0.0) | 0 (0.0) | |
| Payor mix of patient undergoing LCS | ||||
| Medicare | 54.0 (36.0–65.0) | 52.5 (35.0–64.0) | 56.0 (40.0–65.0) | .82 |
| Medicaid | 7.5 (4.5–14.5) | 10.0 (7.0–20.0) | 5.0 (0.9–8.0) | .06 |
| Private | 30.0 (20.0–39.0) | 26.0 (20.0–40.0) | 30.0 (20.0–39.0) | .82 |
| No insurance | 0.0 (0.0–2.0) | 0.0 (0.0–18.0) | 0.0 (0.0–0.0) | .20 |
| Other insurance | 0.0 (0.0–2.5) | 0.0 (0.0–1.0) | 0.0 (0.0–3.0) | .47 |
| American College of Radiology designation for LCS | 11 (42.3) | 7 (53.8) | 4 (30.8) | .43 |
| Current tobacco use, % | 59.5 (50.0–70.0) | 63.0 (50.0–72.0) | 54.0 (50.0–60.0) | .40 |
Data are presented as No. (%) or median (interquartile range), unless otherwise indicated. LCS = lung cancer screening; OaSiS = Optimizing Lung Screening Trial; SDM = shared decision-making.