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Table 1 Clinical characteristics of the included OSCC patients

From: Cathepsin K associates with lymph node metastasis and poor prognosis in oral squamous cell carcinoma

  No. (%)
All cases 83 (100)
Gender
 Female 36 (43)
 Male 47 (57)
Age at diagnosis
 0–60 53 (44)
  ≥ 61 30 (56)
 Median (range) 62 (37–87)
Smoking history
 Current smoker or ceased < 1 year 58 (70)
 Ex-smoker, ceased > 1 year 9 (11)
 Never smoker 15 (18)
Alcohol consumption
  ≥ 5 U/day 19 (23)
 1–4 U/day 28 (34)
 Occasionally 17 (20)
 Never 19 (23)
Clinical T-stage
 cT1 13 (16)
 cT2 31 (37)
 cT3 8 (10)
 cT4 31 (37)
Clinical N-Stage
 cN0 53 (64)
 cN1–3 30 (36)
Sub-site
 Tongue 30 (36)
 Floor of mouth 35 (42)
 Buccal cavity 10 (12)
 Gum 8 (10)
 Mean follow-up (months) 45