2006
(n=17)

2008
(n=72)

p

Total appropriate follow-up

6
(35.3%)

41
(56.9%)

0.18

Patients at high risk with appropriate follow-up

1/9
(11.1%)

18/35 (51.4%)

0.06

Patients at low risk† with appropriate follow-up

5/8
(62.5%)

23/37 (62.2%)

1.00

Patients scanned ≥ 1 months earlier than recommended

3
(17.6%)

5
(6.9%)

0.18

Patients scanned ≥ 1 months later than recommended

4
(23.5%)

11
(15.3%)

0.47

Patients with no follow-up scan

4
(23.5%)

15
(20.8%)

0.75

Absence of a smoking history
Table 3: Follow-Up Rates of Pulmonary Nodules Detected By Computerized Tomography of the Chest by Year.