Table 3 Effect of non-CSD on rates of overall survival
Variable |  | At 10 years (%) |  |  | At 15 years (%) |  |
|---|---|---|---|---|---|---|
|  | non-CSD (n = 1754) | ACD (n = 5055) | non-CSD/ACD | non-CSD (n = 2422) | ACD (n = 5909) | non-CSD/ACD |
Total | 9.5% | 27.3% | 0.35 | 13.8% | 33.5% | 0.41 |
Ages, year | ||||||
 20–39 (Youngest) | 3.1% | 13.3% | 0.23 | 5.1% | 16.7% | 0.31 |
 40–59 (Older) | 9.9% | 27.8% | 0.36 | 16.7% | 37.3% | 0.45 |
  ≥ 60 (Oldest) | 29.8% | 72.5% | 0.41 | 38.2% | 83% | 0.46 |
Period | ||||||
 1983–1992 | 11.4% | 32.6% | 0.35 | 15.6% | 39.1% | 0.40 |
 1993–2000 | 9.4% | 26.9% | 0.35 | 13.3% | 32.3% | 0.41 |
 2001–2005 | 8.5% | 24.6% | 0.35 | 13.3% | 30.7% | 0.43 |
Sex | ||||||
 Male | 11.1% | 31% | 0.36 | 16.3% | 38.2% | 0.43 |
 Female | 7.6% | 23% | 0.33 | 10.8% | 27.8% | 0.39 |
Race | ||||||
 White | 9.6% | 26.8% | 0.36 | 13.9% | 32.9% | 0.42 |
 Black | 9% | 32.4% | 0.28 | 13.4% | 38.4% | 0.35 |
 Others | 8.5% | 27.8% | 0.31 | 12.2% | 33.7% | 0.36 |
Marital status | ||||||
 Married | 10.1% | 26.8% | 0.38 | 14.8% | 33.6% | 0.44 |
 Unmarried | 8.8% | 27.9% | 0.32 | 12.7% | 33.4% | 0.38 |
Histological type | ||||||
 NS | 7.2% | 21.9% | 0.33 | 10.9% | 27.2% | 0.40 |
 MC | 15.9% | 41.9% | 0.38 | 21.9% | 50.4% | 0.43 |
 LR | 13% | 28.8% | 0.45 | 20.2% | 39.1% | 0.52 |
 LD | 16.5% | 65.9% | 0.25 | 20.6% | 72.0% | 0.29 |
Stage | ||||||
 Early stage | 8.7% | 21.4% | 0.41 | 13.0% | 27.2% | 0.48 |
 Advanced stage | 11.2% | 38.7% | 0.29 | 15.1% | 44.3% | 0.34 |
Therapy | ||||||
 Combined modality | 5.2% | 15.1% | 0.34 | 9.1% | 20.6% | 0.44 |
 RT only | 11.3% | 22.2% | 0.51 | 16.7% | 29.3% | 0.57 |
 CT only | 10.9% | 35.1% | 0.31 | 15.1% | 41.3% | 0.37 |
 No/unknown | 13.0% | 37.9% | 0.34 | 16.5% | 42.6% | 0.39 |