Table 1 Demographics.

From: Neck lymph node status on survival of regionally recurrent or persistent nasopharyngeal carcinoma

Age mean, years (range)53 (31–90)
Gender
Male34 (74%)
Female12 (26%)
Smoking history
Non-smoker24
Ex-smoker8
Smoker10
Unknown4
Drinking history
Non-drinker29
Drinker12
Unknown5
Follow-up duration, mean, months (range)44.7 (0–151)
Initial T Classification
T115
T217
T311
T43
Initial N Classification
N02
N14
N219
N3a6
N3b5
  1. This table is a summary of the demographics and baseline charactersitcs of all subjects.