Table 3. PRR in stratified association with the risk of esophageal squamous cell carcinoma mortality.
| PRR | Men | Women | ||
|---|---|---|---|---|
| HR, 95% CI, P | HR, 95% CI, P* | HR, 95% CI, P | HR, 95% CI, P* | |
| TNM stage (I-II) | 1.03, 0.88-1.21, 0.700 | 1.08, 0.92-1.27, 0.352 | 0.79, 0.56-1.13, 0.192 | 0.88, 0.62-1.25, 0.467 |
| TNM stage (III) | 1.15, 1.07-1.25, 0.002 | 1.18, 1.09-1.28, 0.001 | 0.89, 0.74-1.07, 0.226 | 0.93, 0.77-1.11, 0.411 |
| Invasion depth (T1-T2) | 1.18, 0.96-1.44, 0.114 | 1.20, 0.98-1.47, 0.077 | 0.83, 0.59-1.18, 0.304 | 0.88, 0.63-1.24, 0.469 |
| Invasion depth (T3-T4) | 1.14, 1.06-1.23, 0.001 | 1.17, 1.08-1.26, <0.001 | 0.87, 0.72-1.05, 0.155 | 0.94, 0.78-1.14, 0.536 |
| LNM (N0) | 1.09, 0.94-1.27, 0.248 | 1.14, 0.98-1.34, 0.090 | 0.96, 0.66-1.38, 0.808 | 1.03, 0.72-1.47, 0.864 |
| LNM (N1-N3) | 1.16, 1.07-1.25, <0.001 | 1.18, 1.09-1.28, <0.001 | 0.88, 0.74-1.05, 0.162 | 0.91, 0.77-1.09, 0.301 |
| Tumor embolus (−) | 1.16, 1.07-1.26, <0.001 | 1.19, 1.09-1.29, <0.001 | 0.90, 0.74-1.09, 0.277 | 0.97, 0.80-1.17, 0.724 |
| Tumor embolus (+) | 1.37, 1.19-1.58, <0.001 | 1.37, 1.18-1.59, <0.001 | 0.71, 0.51-0.99, 0.044 | 0.74, 0.53-1.03, 0.078 |
| Tumor size ≤ 4.5 cm | 1.16, 1.04-1.30, 0.007 | 1.24, 1.10-1.39, <0.001 | 0.82, 0.65-1.03, 0.095 | 0.91, 0.72-1.17, 0.473 |
| Tumor size > 4.5 cm | 1.16, 1.06-1.28, 0.002 | 1.18, 1.07-1.30, 0.001 | 0.87, 0.70-1.09, 0.236 | 0.89, 0.72-1.11, 0.294 |
Notes: PRR, platelet count to RDW ratio; TNM, tumor-node-metastasis; HR, hazard ratio; 95% CI, 95% confidence interval; LNM, regional lymph node metastasis. *P was adjusted for age, body mass index, smoking, drinking, family history of cancer, systolic blood pressure and fasting blood glucose.