Before PSM (n = 1121) | After PSM (n = 948) | |||
---|---|---|---|---|
Mean OS (month) [95% CI] | p value | Mean OS (month) [95% CI] | p value | |
Age | < 0.001 | < 0.001 | ||
< 60 | 113.90 [110.23–117.58] | 115.39 [111.33–119.44] | ||
≧ 60 | 91.26 [86.45–96.07] | 91.24 [86.37–96.11] | ||
Sex | 0.025 | 0.075 | ||
Male | 100.44 [96.72–104.17] | 98.80 [94.89–102.71] | ||
Female | 110.05 [104.45–115.66] | 108.50 [102.22–114.77] | ||
Tumor location |  < 0.001 | < 0.001 | ||
Upper | 93.41 [88.55–98.28] | 91.61 [86.30–96.93] | ||
Middle | 88.83 [81.59–96.07] | 88.87 [80.62–97.12] | ||
Lower | 110.89 [106.79–114.98] | 111.21 [106.80–115.63] | ||
Linitis plastica | 63.26 [51.61–74.91] | 62.28 [49.97–74.59] | ||
Tumor size |  < 0.001 | 0.002 | ||
< 5 cm | 109.01 [105.20–112.83] | 107.99 [103.72–112.27] | ||
≧ 5 cm | 95.76[90.16–101.37] | 89.71 [84.49–94.93] | ||
SCA | 0.164 | 0.122 | ||
Yes | 111.02 [104.65–117.38] | 111.35 [104.17–118.52] | ||
No | 101.11 [97.61–104.60] | 97.42 [93.83–101.02] | ||
MCA | 0.740 | 0.622 | ||
Yes | 89.21 [82.56–95.87] | 89.67 [82.71–96.63] | ||
No | 104.98 [101.57–108.40] | 104.22 [100.48–107.96] | ||
CA199 (U/ml) | 0.143 | 0.093 | ||
< 37 | 106.21 [102.86–109.56] | 105.86 [102.22–109.50] | ||
≧ 37 | 82.17 [74.61–89.74] | 80.08 [71.58–88.58] | ||
CEA (ng/ml) | 0.014 | 0.010 | ||
< 5 | 106.67 [103.22–110.12] | 106.31 [102.54–110.08] | ||
≧ 5 | 78.17 [72.40–83.93] | 77.03 [70.80–83.25] | ||
HB (g/L) | 0.206 | 0.140 | ||
< 120 | 99.08 [94.01–104.14] | 97.49 [91.83–103.15] | ||
≧ 120 | 106.34 [102.36–110.32] | 106.21 [101.91–110.50] | ||
T stage | 0.009 | 0.013 | ||
T123 | 103.16 [99.89–106.43] | 102.45 [98.81–106.09] | ||
T4 | 97.99 [91.00–104.97] | 97.02 [89.34–104.70] | ||
N stage | 0.006 | 0.035 | ||
Positive | 106.01 [102.45–109.57] | 104.76 [100.73–108.80] | ||
Negative | 99.95 [94.99–104.90] | 100.08 [94.77–105.40] |