Table 1.
Survival and clinicopathological characteristics of study cohort.
| Training cohort | Testing cohort | |||
|---|---|---|---|---|
| N | Median(std/range) | N | Median(std/range) | |
| Patient included | 257 | - | 367 | - |
| Follow-up time (month) | - | 30.4(21.5) | - | 52.7(26.0) |
| 1 year progression | 25 | - | 51 | - |
| 3 years progression | 51 | - | 91 | - |
| 5 years progression | 57 | - | 111 | - |
| Progression time (month) | - | 13.7 | - | 13.2 |
| 1 year LR | 7 | - | 18 | - |
| 3 years LR | 20 | - | 27 | - |
| 5 years LR | 22 | - | 39 | - |
| LR Time (month) | - | 12.3 | - | 13.7 |
| 1 year RR | 7 | - | 18 | - |
| 3 years RR | 15 | - | 25 | - |
| 5 years RR | 17 | - | 29 | - |
| RR time (month) | - | 14.6 | - | 9.4 |
| 1 year DM | 17 | - | 23 | - |
| 3 years DM | 31 | - | 50 | - |
| 5 years DM | 32 | - | 57 | - |
| DM time (month) | - | 10.3 | - | 13.5 |
| 1 year RIP | 11 | - | 9 | - |
| 3 years RIP | 23 | - | 18 | - |
| 5 years RIP | 30 | - | 29 | - |
| RIP time (month) | - | 18.1 | - | 26 |
| Male | 204 | - | 273 | - |
| Female | 53 | - | 94 | - |
| T1/T2 | 116 | - | 45 | - |
| T3/T4 | 141 | - | 322 | - |
| N0/N1 | 104 | - | 47 | - |
| N2/N3 | 154 | - | 320 | - |
| RT alone | 25 | - | 53 | - |
| CCRT | 232 | - | 313 | - |
| Induction chemo | 98 | - | 48 | - |
| w/o induction chemo | 159 | - | 319 | - |
| Adjuvant chemo | 90 | - | 72 | - |
| w/o adjuvant chemo | 167 | - | 295 | - |
| ECOG = 0 | 33 | - | 109 | - |
| ECOG = 1 | 224 | - | 258 | - |
| EBV DNA positive | 198 | - | 294 | - |
| EBV DNA negative | 59 | - | 73 | - |
| Age | - | 54(18–86) | - | 54(20–89) |
| Body height (m) | - | 1.66(1.38–1.89) | - | 1.65(1.41–1.84) |
| 1st recorded BW (kg) | 257 | 65.8(38.5–145.6) | 367 | 61.7(33.4–105.1) |
| Time from RT start (day) | - | 0 | - | 0 |
| 2nd recorded BW (kg) | 257 | 64.2(38.5–145.6) | 367 | 61.7(33.4–105.1) |
| Time from RT start (day) | - | 7(3–11) | - | 7(2–16) |
| 3rd recorded BW (kg) | 257 | 64.6(37.8–145.3) | 367 | 61.0(35.5–105.5) |
| Time from RT start (day) | - | 14(10–18) | - | 14(7–23) |
| 4th recorded BW (kg) | 255 | 63.6(37.3–145.2) | 365 | 60.0(34.1–103.6) |
| Time from RT start (day) | - | 21(17–28) | - | 21(11–29) |
| 5th recorded BW (kg) | 255 | 61.6(36.5–145.3) | 363 | 58.5(33–100.3) |
| Time from RT start (day) | - | 28(24–31) | - | 28(21–36) |
| 6th recorded BW (kg) | 252 | 61.0(35.2–143.7) | 331 | 57.8(32.1–98.0) |
| Time from RT start (day) | - | 35(31–42) | - | 35(27–45) |
| 7th recorded BW (kg) | 252 | 60.3(35.4–142.8) | 155 | 56.0(31–95.8) |
| Time from RT start (day) | - | 42(37–51) | - | 42(35–50) |