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Table 1 Clinicopathologic characteristics of the patients included in this analysis

From: Cross validated serum small extracellular vesicle microRNAs for the detection of oropharyngeal squamous cell carcinoma

Characteristic Controls (n = 19) GORD (n = 20) OPSCCs (n = 39)
Median age, years (range) ** 60 (50–69) 56 (39–86) 58 (47–74)
Sex
 Male 19 20 36
 Female 0 0 3
Smoking
 Never smoked 20
 Smoked 19
Overall stage (AJCC 7)
 Stage III    3
 Stage IVa    35
 Stage IVb    1
T-stage
 T1 10
 T2 14
 T3 9
 T4 6
Lymph node metastasis
 N0 2
 N1-N2 37
Cancer location
 Tonsil 26
 Base of tongue 13
  1. **There were no significant differences in median age between controls, patients with GORD, and patients with OPSCC (Kruskal–Wallis test, p = 0.75)