Variable | Before-PET period | After-PET period | p | ||
---|---|---|---|---|---|
Mean [SD] | n (%) | Mean [SD] | n (%) | ||
Patient characteristics: | |||||
Age | 64.9 [14.1] | 112 | 64.8 [14.3] | 250 | 0.9 |
Age (in classes) | |||||
< 65 years | 52 (46.4) | 124 (49.6) | 0.6 | ||
≥ 65 years | 60 (53.6) | 126 (50.4) | |||
Sex | |||||
Male | 82 (73.2) | 158 (63.2) | 0.06 | ||
Female | 30 (26.8) | 92 (36.8) | |||
Referal | |||||
General practitioner | 18 (16.1) | 28 (11.2) | 0.2 | ||
Specialist | 94 (83.9) | 222 (88.8) | |||
Smoking history | |||||
Nonsmoker | 33 (29.5) | 104 (41.6) | 0.03 | ||
Smokers or ex-smokers | 79 (70.5) | 146 (58.4) | |||
Nodule characteristics: | |||||
Calcified Nodules | |||||
Yes | 12 (10.7) | 45 (18.0) | 0.08 | ||
No | 100 (89.3) | 205 (82.0) | |||
Spiculated Nodules | |||||
Yes | 32 (28.6) | 49 (19.6) | 0.06 | ||
No | 80 (71.4) | 201 (80.4) | |||
Mediastinal node | |||||
Yes | 31 (27.7) | 75 (30.0) | 0.7 | ||
No | 81 (72.3) | 175 (70.0) |