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. 2017 May 30;5:e3395. doi: 10.7717/peerj.3395

Table 1. Table of clinicopathological features in different HPV status.

Correlation between the clinicopathological features and HPV status.

Variables No. HPV (−) HPV (+) p value
Gender
Male 103 89 14 1.000
Female 3 3 0
Age
<60 y/o 52 49 3 0.042*
≥60 y/o 54 43 11
T classification
T1 and T2 74 64 10 1.000
T3 and T4a 32 28 4
N classification
Positive 28 25 3 0.756
Negative 78 67 11
TNM stage
Stage I and II 62 54 8 1.000
Stage III and IV 44 38 6
Extranodal extension
Positive 16 15 1 0.560
Negative 12 10 2
Adjuvant RT/CCRT
Yes 27 24 3 1.000
No 79 68 11
Tumor recurrence
Yes 23 23 0 0.037*
No 83 69 14
Second primary cancer
Yes 18 15 3 0.703
No 88 77 11
Tumor differentiation
Well 28 25 3 0.756
Moderate and poor 78 67 11
Tumor subsites
Transglottic 11 11 0 0.117
Glottic 54 47 7
Supraglottic 40 34 6
Subglottic 1 0 1
Tobacco use
Smoking 93 83 10 0.068**
Non-smoking 13 9 4
Alcohol use
Drinking 51 47 4 0.154
Non-drinking 55 45 10
Betel nut chewing
Chewing 53 46 7 1.000
Non-chewing 53 46 7

Notes.

RT
radiotherapy
CCRT
concurrent chemoradiotherapy
*

Statistical significance.

**

Marginal significance.