From: ABO blood group is a predictor of survival in patients with laryngeal cancer
Variable | No. of patients | OS rate (%) | χ 2 | P | |
---|---|---|---|---|---|
5-year | 10-year | ||||
Sex | Â | Â | Â | 6.079 | 0.014 |
 Men | 1226 | 70.0 | 59.7 |  |  |
 Women | 34 | 85.3 | 85.3 |  |  |
Age (years)a | Â | Â | Â | 35.892 | <0.001 |
 ≤61 | 661 | 76.0 | 68.7 |  |  |
 >61 | 599 | 64.4 | 51.5 |  |  |
Smoking indexb | Â | Â | Â | 8.322 | 0.004 |
 ≤600 | 659 | 73.2 | 64.1 |  |  |
 >600 | 601 | 67.4 | 56.2 |  |  |
Alcohol consumption | Â | Â | Â | 4.933 | 0.026 |
 No | 808 | 72.3 | 62.5 |  |  |
 Yes | 452 | 67.2 | 56.6 |  |  |
Differentiation | Â | Â | Â | 27.775 | <0.001 |
 Well | 600 | 76.8 | 65.7 |  |  |
 Moderate | 481 | 68.5 | 58.4 |  |  |
 Poor | 179 | 54.6 | 48.1 |  |  |
Primary site | Â | Â | Â | 31.102 | <0.001 |
 Glottic | 885 | 74.8 | 64.8 |  |  |
 Supraglottic | 331 | 58.6 | 48.7 |  |  |
 Subglottic | 44 | 72.7 | 56.2 |  |  |
Blood group | Â | Â | Â | 11.637 | 0.009 |
 A | 347 | 76.0 | 67.5 |  |  |
 B | 332 | 69.8 | 58.4 |  |  |
 AB | 101 | 73.1 | 65.6 |  |  |
 O | 480 | 66.4 | 55.5 |  |  |
T category | Â | Â | Â | 101.754 | <0.001 |
 T1 | 434 | 84.2 | 72.0 |  |  |
 T2 | 382 | 74.3 | 63.0 |  |  |
 T3 | 244 | 59.4 | 51.4 |  |  |
 T4 | 200 | 46.8 | 41.1 |  |  |
N category | Â | Â | Â | 119.722 | <0.001 |
 N0 | 1021 | 76.9 | 66.1 |  |  |
 N+ | 239 | 43.0 | 35.4 |  |  |
UICC stage | Â | Â | Â | 127.473 | <0.001 |
 I | 421 | 85.4 | 73.5 |  |  |
 II | 326 | 77.2 | 65.3 |  |  |
 III | 242 | 62.4 | 52.6 |  |  |
 IV | 271 | 46.3 | 41.4 |  |  |