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Table 2 Patient characteristics (metformin users versus nonmetformin users)

From: The effect of metformin use on hypopharyngeal squamous cell carcinoma in diabetes mellitus patients

  Nondiabetes mellitus (n = 49) Diabetes mellitus met- (n = 43) Diabetes mellitusmet+ (n = 49)  
No. of patients (%) No. of patients (%) No. of patients (%) p value
Age 63.28 y 65.04 y 66.45 y  
Alcohol 26 53.06 27 62.79 28 57.14 0.46
Betel Nut 25 51.02 24 55.81 27 55.10 0.45
Cigarette 28 57.14 31 72.09 33 67.35 0.54
T1 7 14.29 2 4.65 6 12.24 0.57
T2 13 26.53 12 27.91 16 32.65 0.11
T3 11 22.45 14 32.56 10 20.41 0.15
T4 18 36.73 14 32.56 17 34.69 0.54
N0 8 16.33 9 20.93 13 26.53 0.51
N1 9 18.37 5 11.63 6 12.24 0.07
N2 30 61.22 27 62.79 30 61.22 0.17
N3 2 4.08 2 4.65 2 4.08 0.33
M0 47 95.92 35 81.40 49 100.00 0.33
M1 2 4.08 8 18.60 0 0.00 0.06
Early stage 13 26.53 11 25.58 16 32.65 0.17
Late stage 36 73.47 32 74.42 33 67.35 0.51
  1. Met+, with metformin; met-, without metformin
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