Table 3 RFS analyses by the log-rank test according to the fifteen-mRNA signature in each set. Our result shown lower scores were associated with longer RFS, and higher scores were associated with shorter RFS in each set (P < 0.05).

From: A highly expressed mRNA signature for predicting survival in patients with stage I/II non-small-cell lung cancer after operation

Datasets

Risk group (n)

Recurrence-free survival

1-year

3-year

5-year

HR (95% CI)

P-value

Training set (n = 226, GSE31210)

High-risk (n = 113)

83.19%

53.98%

29.20%

21.17 (5.073–88.31)

 < 0.001

Low-risk (n = 113)

99.12%

84.07%

54.87%

Internal validation set (n = 226, GSE30219)

High-risk (n = 113)

68.14%

43.36%

28.32%

2.787 (1.962–3.957)

 < 0.001

Low-risk (n = 113)

86.73%

76.11%

61.95%

External validation set (n = 181, GSE50081)

High-risk (n = 90)

74.44%

46.67%

31.11%

2.168 (1.356–3.466)

0.001

Low-risk (n = 91)

89.01%

71.43%

43.96%