Association of p16 as Prognostic Factors for Oropharyngeal Cancer: Evaluation of p16 in 1470 Patients for a 16 Year Study in Northeast China

Table 1

Profiles and clinical parameters of patients.

Clinicopathological findings
Variable		%
Age at diagnosis, years
⩽45	85	5.78
46–55	469	31.9
56–65	624	42.45
⩾66	292	19.86
Mean (SD)	58.24 ± 6.64
Age range	31–86
Sex
Male	1167	79.39
Female	303	20.61
History of smoking
Yes (current/former)	1296	88.16
No (never)	174	11.84
History of alcohol
Yes (current/former)	890	60.54
No (never)	580	39.46
Treatment
Surgery alone	1257	85.51
Surgery + radiotherapy	205	13.95
Surgery + chemoradiotherapy	5	0.34
Surgery + radiotherapy + chemoradiotherapy	3	0.2
Event after initial CRT
Residual tumor (PD, SD, and PR)	286	19.46
CR followed by recurrence/metastasis	441	30
Durable CR	743	50.54

Continuous variables are given as mean ± standard deviation.