Characteristic | Greece (N=38) | Italy (N=31) | Netherlands (N=35) | Total (N=104) |
---|---|---|---|---|
Mean number of practitioners at site (range) | 7.2 (1–20) | 1.7 (1–6) | 1.7 (1–5) | 3.8 (1–20) |
Mean typical patient volume per day (range) | 127.4 (25–400) | 28.0 (7–80) | 42.5 (20–180) | 71.1 (7–400) |
Mean participating physician years of practice (range) | 18.2 (10–35) | 29.5 (11–44) | 22.5 (5–40) | 22.9 (5–44) |
Participating physician smoking status, n (%) | ||||
Smoker | 0 (0.0%) | 2 (6.9%) | 2 (6.5%) | 4 (4.1%) |
Ex-smoker | 12 (31.6%) | 13 (44.8%) | 11 (35.5%) | 36 (36.7%) |
Non-smoker | 26 (68.4%) | 14 (48.3%) | 18 (58.1%) | 58 (59.2%) |
Mean total number of smoker patients 40 years or older screened to enroll 15 study patients (range) | 27.0 (15–70) | 23.8 (4–50) | 22.5 (3–50) | 24.7 (3–70) |
Median time taken to enroll 15 patients (days), (range) | 20.0 (3–90) | 20.0 (0–365) | 79.5 (3–365) | 25.0 (0–365) |
Mean number of patients that met inclusion/exclusion criteria but did not show interest in participating in study (range) | 3.6 (0–15) | 8.4 (0–30) | 26. (0–15) | 4.7 (0–30) |