Table 1.

Baseline characteristics of the 470 patients with nasopharyngeal carcinoma

Characteristic	Number of patients	Percentage (%)
Gender
Male	358	76.2
Female	112	23.8
Smoking
Yes	170	36.2
No	300	63.8
Alcohol consumption
Yes	60	12.8
No	410	87.2
Family history of cancer
Yes	152	32.3
No	318	67.7
MRI-based stage
T categorya
T1	77	16.4
T2	81	17.2
T3	239	50.9
T4	73	15.5
N categorya
N0	81	17.2
N1	279	59.4
N2	71	15.1
N3	39	8.3
Overall stagea
I	28	6.0
II	98	20.9
III	239	50.9
IVa–b	105	22.2
Chemotherapy
No	68	14.5
Neoadjuvant alone	50	10.6
Concurrent alone	146	31.1
Induction plus concurrent	206	43.8
Treatment failure
Death	70	14.9
Distant metastasis	59	12.6
Locoregional recurrence	42	8.9

MRI magnetic resonance imaging

^aAccording to the 8th UICC/AJCC staging system