Table 1 Comparison of the different characteristics between patients from the Sun Yat-sen University Cancer Center and those from the Fujian Provincial Cancer Hospital’s cohort [14]
Characteristics | Sun Yat-sen University Cancer Center patients cohort n (%) | Fujian Provincial Cancer Hospital cohort n (%) |
|---|---|---|
Total | 535 | 1197 |
Age (years)a | ||
 Median (range) | 45 (20–72) | 46 (11–84) |
 Mean | 45.4 | 46.4 |
The 8th AJCC/UICC clinical stage [cases (%)]a | ||
 III | 421 (78.7) | 381 (31.8) |
 IVa–b | 114 (21.3) | 462 (38.6) |
GTVp (cm3)a | ||
 Median (range) | 33.8 (2.6–165.2) | 32.8 (0.1–235.6) |
 Mean | 41.0 | 41.2 |
LDH (U/L)a | ||
 Median (range) | 165.4 (101.8–448.6) | 183 (106–751) |
 Mean | 171.3 | 193.4 |
Sex | ||
 Male | 382 (71.4) | 905 (75.6) |
 Female | 153 (28.6) | 292 (24.4) |
Histologyb | ||
 II | 27 (5.0) | 51 (4.3) |
 III | 508 (95.0) | 1134 (94.7) |
The 8th AJCC/UICC T-classification | ||
 T1 | 22 (4.1) | 285 (23.8) |
 T2 | 45 (8.4) | 220 (18.4) |
 T3 | 389 (72.7) | 294 (24.6) |
 T4 | 79 (14.8) | 398 (33.2) |
The 8th AJCC/UICC N-classification | ||
 N0 | 73 (13.6) | 174 (14.5) |
 N1 | 268 (50.1) | 658 (55.0) |
 N2 | 149 (27.9) | 270 (22.6) |
 N3 | 45 (8.4) | 95 (7.9) |
The 7th AJCC/UICC T-classification | ||
 T1 | 22 (4.1) | NA |
 T2 | 43 (8.0) | NA |
 T3 | 325 (60.7) | NA |
 T4 | 145 (27.1) | NA |
The 7th AJCC/UICC N-classification | ||
 N0 | 73 (13.6) | NA |
 N1 | 273 (51.0) | NA |
 N2 | 162 (30.3) | NA |
 N3a | 11 (2.1) | NA |
 N3b | 16 (3.0) | NA |
The 7th AJCC/UICC clinical stage | ||
 III | 367 (68.6) | NA |
 IVa | 141 (26.4) | NA |
 IVb | 27 (5.0) | NA |
EBV DNA (103 copies/mL)a | ||
 Median (range) | 1.65 (0–12,600) | NA |
 Mean | 97.9 | NA |
EBV DNA (copies/mL)c | ||
 < 103 | 246 (46.0) | NA |
 103–104 | 120 (22.4) | NA |
 104–105 | 110 (20.6) | NA |
 105–106 | 52 (9.7) | NA |
 ≥ 106 | 7 (1.3) | NA |
Hb (g/L) | ||
 Median (range) | 143.0 (88.0–183.0) | 143 (80–171) |
 Mean | 141.6 | 143 |
BMI (kg/m2) | ||
 Median (range) | 23.0 (15.2–39.7) | NA |
 Mean | 23.1 | NA |
Chemotherapy | ||
 None | 0 (0.0) | 181 (15.1) |
 Concurrent | 535 (100.0) | NA |
 Other | 0 (0.0) | NA |