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. 2014 Feb 27;9(2):e90181. doi: 10.1371/journal.pone.0090181

Table 1. Clinical characteristics of the patients.

Characteristic No. of patients (%)
Number of samples N = 34
Gender
Male 32/34(94.12)
Female 2/34(5.88)
Age (years)
Mean 61.2±7.4
Range 38–75
Clinical stage
I 8/34(23.53)
II 6/34(17.65)
III 11/34(32.35)
IV 9/34(26.47)
Tumor location
Glottic 19/34(55.88)
Supraglottic 11/34(32.35)
Subglottic 2/34(5.88)
Transglottic 2/34(5.88)