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Table 1 Probability (95 % CI) of no metastasis as a function of time

From: Gene expression identifies heterogeneity of metastatic behavior among gastrointestinal stromal tumors

Time (years) 2 4 6 8 HR
A. Two sample subsets defined by the AF-gene set in Fig. 1a (p = 0.003)
Group A, n = 21 NR NR NR NR Reference group
Group B, n = 39 0.76 (0.63–0.91) 0.60 (0.45–0.81) 0.54 (0.38–0.78) 0.54 (0.38–0.78) NE
B. Two sample subsets defined by the OVCA-gene set in Fig. 1b (p < 0.001)
Group A, n = 18 NR 0.97 (0.91–1.00) 0.97 (0.91–1.00) 0.97 (0.91–1.00) Reference group
Group B, n = 42 0.53 (0.34–0.81) 0.28 (0.12–0.67) 0.19 (0.06–0.61) 0.19 (0.06–0.61) 38.7 (5.0–296.9)
C. Two sample subsets defined by the RCC-gene set in Fig. 1c (p = 0.003)
Group A, n = 35 0.94 (0.86–1.00) 0.90 (0.80–1.00) 0.90 (0.80–1.00) 0.90 (0.80–1.00) Reference group
Group B, n = 25 0.71 (0.55–0.92) 0.56 (0.38–0.81) 0.46 (0.27–0.78) 0.46 (0.27–0.78) 5.4 (1.5–19.3)
D. Two sample subsets defined by the combined gene set in Fig. 1d (p = 0.029)
Group A, n = 14 NR NR NR NR Reference Group
Group B, n = 46 0.80 (0.69–0.93) 0.66 (0.52–0.84) 0.59 (0.43–0.82) 0.59 (0.43–0.82) NE
E. Three sample subsets defined by the combined gene set in Fig. 1e (p < 0.001)
Group A, n = 14 NR NR NR NR Reference Group
Group B1, n = 17 NR NR NR NR NE
Group B2, n = 29 0.68 (0.53–0.88) 0.47 (0.29–0.74) 0.39 (0.22–0.70) 0.39 (0.22–0.70) NE
F. Two sample subsets defined by the combined gene set in Fig. 1F (p < 0.001).
Good group, n = 32 NR NR NR NR Reference Group
Poor group, n = 28 0.67 (0.52–0.87) 0.48 (0.32–0.74) 0.40 (0.23–0.70) 0.40 (0.23–0.70) NE
  1. NR no recurrence, HR hazard rario, NE hazard ratio can not be estimated when one group has no events