Table 2.

1-, 3-, and 5-year overall survival (OS) and cancer-specific survival (CSS) probabilities of patients with extremity osteosarcoma as estimated by K–M analyses.

Time	OS probability [95% CI]	CSS probability [95% CI]
1-year	90.6% [88.7%–92.6%]	91.4% [89.5%–93.3%]
3-year	72.0% [69.0%–75.0%]	73.3% [70.4%–76.4%]
5-year	64.0% [60.8%–67.4%]	65.8% [62.6%–69.2%]

CI: Confidence Interval.