Parameter | HR | 95%LCL | 95%UCL | P value |
---|---|---|---|---|
Patients’ demographics and tumor characteristics | ||||
CEA (ng/mL), IQR 1.70–4.95 | 1.00 | 0.92 | 1.09 | 0.945 |
CA19-9 (U/mL), IQR 37.55–333.45 | 1.34 | 0.98 | 1.84 | 0.067 |
Tumor location | 0.003* | |||
Head | 1 | |||
Body | 0.05 | 0.01 | 0.37 | |
Tail | 0.17 | 0.04 | 0.7 | |
Tumor size (mm) | 1.78 | 0.93 | 3.42 | 0.081 |
pT stage | 0.221 | |||
0 | 1 | |||
1c | 16.82 | 0 | 1.27e + 46 | |
2 | 83.65 | 0 | 6.21e + 46 | |
3 | 206.67 | 0 | 1.55e + 47 | |
pN stage | 0.038* | |||
0 | 1 | |||
1 | 2.23 | 0.59 | 8.48 | |
2 | 5.4 | 1.46 | 20.0 | |
TNM stage | 0.088 | |||
1A | 1 | |||
1B | 1.69 | 0.17 | 16.4 | |
2B | 3.21 | 0.37 | 27.94 | |
3 | 7.74 | 0.92 | 65.02 | |
Tumor differentiation | 0.775 | |||
Poor | 1 | |||
Moderate | 1.89 | 0.23 | 15.5 | |
Well | 1.34 | 0.11 | 16.24 | |
R classification | 4.14 | 1.42 | 12.07 | 0.009* |
Histogram analysis parameters | ||||
Mean, IQR 1320.57–1740.09 | 0.64 | 0.32 | 1.29 | 0.212 |
Standard error, IQR 17.84–36.08 | 0.63 | 0.32 | 1.24 | 0.183 |
Median, IQR 1318.04–1720.21 | 0.64 | 0.62 | 1.27 | 0.198 |
Mode, IQR 1237.17–1586.52 | 0.88 | 0.53 | 1.47 | 0.629 |
Standard deviation, IQR 96.20–192.00 | 1.02 | 0.56 | 1.86 | 0.941 |
Variance, IQR 9268.55–36,867.38 | 0.93 | 0.58 | 1.51 | 0.771 |
Kurtosis, IQR 2.20–3.06 | 7.11 | 2.42 | 20.9 | < 0.001* |
Skewness, IQR -0.50–0.35 | 0.92 | 0.37 | 2.31 | 0.86 |
CV, IQR 0.06–0.13 | 1.25 | 0.67 | 2.33 | 0.479 |
Minimum, IQR 1070.98–1412.84 | 0.62 | 0.35 | 1.11 | 0.107 |
Maximum, IQR 1626.85–2044.53 | 0.83 | 0.5 | 1.4 | 0.49 |
Entropy, IQR 1.29–1.56 | 2.06 | 1.16 | 3.66 | 0.013* |
Energy, IQR 0.03–0.05 | 0.49 | 0.25 | 0.97 | 0.04* |