Table 4 Post relapse survival and overall survival at 3 and 5 years 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 |
|---|---|---|
PRS | ||
 3-year PRS | 33% (95% CI 33–42) | 58% (95% CI 49–68) |
 5-year PRS | 30% (95% CI 21–39) | 49% (95% CI 39–59) |
OS | ||
 3-year OS | 58% (95% CI 48–68) | 72% (95% CI 63–80) |
 5-year OS | 35% (95% CI 26–44) | 60% (95% CI 51–70) |