Table 1

Baseline characteristics and 5-year survival predicted and observed in the patients with surgery alone
Mean % of 5-year survival % Delta (Pred-Obs)
Number % AOL predicted YTR observed (95% CI)
All patients 666 100 77.07 79.73 (76.47, 82.59) −2.66
Age
 < 50 107 16.1 83.31* 91.59 (84.46, 95.53) −8.28
 50-59 148 22.2 80.61 83.78 (76.79, 88.82) −3.17
 60-69 227 34.1 78.34 80.17 (74.37, 84.8) −1.83
 ≥ 70 184 27.6 69.03 69.01 (61.78, 75.15) 0.02
Sex
 Male 400 60.1 76.19 78.75 (74.41, 82.44) −2.56
 Female 266 39.4 78.40 81.2 (75.97, 85.41) −2.8
T stage
 T1 79 11.9 91.08 94.94 (87.07, 98.07) −3.86
 T2 117 17.5 85.76 83.76 (75.73, 89.32) 2
 T3 456 68.5 72.83 76.97 (72.82, 80.57) −4.14
 T4 14 2.1 63.57 50 (22.86, 72.21) 13.57
Number of positive nodes
 0 501 75.2 83.92 84.83 (81.38, 87.69) −0.91
 1-3 111 16.7 62.65 67.56 (57.99, 75.4) −4.91
 4-10 47 7.1 46.79 59.57 (44.21, 71.99) −12.78
 > 10 7 1.0 19.00 42.86 (9.78, 73.44) −23.86
Number of examined nodes
 1-3 27 4.1 85.56 88.89 (69.39, 96.27) −3.33
 4-10 122 18.3 78.75 72.13 (63.26, 79.21) 6.62
 > 10 517 77.6 76.23* 81.04 (77.39, 84.17) −4.81
Histologic grade
 1 110 16.5 81.67 82.73 (74.27, 88.62) −1.06
 2 455 68.3 75.77 78.9 (74.85, 82.37) −3.13
 3 32 4.8 72.59 81.25 (62.95, 91.11) −8.66
 Undefined 69 10.4 80.38 79.71 (68.16, 87.45) 0.67

*This predicted estimate is outside the 95% CI of the Kaplan-Meier estimate.

AOL: Adjuvant Online; YTR: Yonsei Tumor registry; CI: confidential interval; Pred: predicted; Obs: observed.

Jung et al.

Jung et al. BMC Cancer 2012 12:471   doi:10.1186/1471-2407-12-471

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