Table 2 Pattern of lung relapse according to imaging technique used for follow-up
From: Osteosarcoma follow-up: chest X-ray or computed tomography?
| Â | X-ray 100 pts | CT 112 pts | p |
|---|---|---|---|
RFI | |||
 Median (months) | 28.4 | 22.3 | .01 |
 <2 years (pts) | 49 (49%) | 72 (64%) | .02 |
Laterality | |||
 Monolateral | 63 (63%) | 88 (79%) | .01 |
 Bilateral | 37 (37%) | 24 (21%) | |
n. nodules (162 pts) | 84Â pts | 78Â pts | .4 |
 1 | 52 (62%) | 47 (60%) | |
 2–5 | 23 (27%) | 21 (27%) | |
 >5 | 9 (11%) | 10 (13%) | |
Size (112 pts) (cm) | 54Â pts | 58Â pts | .03 |
 <2 | 20 (37%) | 37 (64%) | |
 2–5 | 26 (48%) | 19 (33%) | |
 ≥5 | 8 (15%) | 2 (3%) | |