Table 2.
Patient clinical characteristics.
| Clinical factor | Data/p-value | |
|---|---|---|
| Age | p-value = 0.142 | |
| Average, Range | 54 | 27 - 81 |
| Gender | p-value = 0.348 | |
| Male (no.,%) | 101 | 75 |
| Female (no.,%) | 34 | 25 |
| WHO Histologic subtype* | p-value = 0.544 | |
| Type-1 (no., %) | 4 | 3 |
| Type-2 (no., %) | 3 | 2 |
| Type-3 (no., %) | 128 | 95 |
| T-Stage | p-value = 0.133 | |
| T1 (no., %) | 9 | 7 |
| T2 (no., %) | 9 | 7 |
| T3 (no., %) | 94 | 70 |
| T4 (no., %) | 23 | 17 |
| N-Stage | p-value = 0.146 | |
| N0 (no., %) | 1 | 1 |
| N1 (no., %) | 22 | 16 |
| N2 (no., %) | 98 | 73 |
| N3 (no., %) | 14 | 10 |
| Overall stage (7th AJCC) | p-value = 0.077 | |
| Stage-I (no., %) | 1 | 1 |
| Stage-II (no., %) | 7 | 5 |
| Stage-III (no., %) | 92 | 68 |
| Stage-IVA (no., %) | 23 | 17 |
| Stage-IVB (no., %) | 12 | 9 |
| Initial size of primary tumor (mm3) | p-value = 0.341 | |
| Average, range | 43,482 | 4,537 - 184,333 |
| Initial size of nodal lesion (mm3) | p-value = 0.202 | |
| Average, range | 31,078 | 501 - 330,143 |
|
Initial total tumor burden
(primary + nodal lesion) (mm3) |
p-value = 0.153 | |
| Average, range | 74,560 | 7,886 - 438,998 |
| Pre-treatment body weight (kg) | p-value = 0.265 | |
| Average, range | 63 | 37-102 |
*WHO histologic subtype of NPC: Type 1: Keratinizing squamous cell carcinoma; Type 2: Non-keratinizing differentiated carcinoma; Type 3: Non-keratinizing undifferentiated carcinoma. AJCC, American Joint Committee on Cancer.