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Table 1 Patients characteristics (diabetic vs nondiabetic)

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

  All (n = 141) Nondiabetes mellitus (n = 49) Diabetes mellitus (n = 92)  
No. of patients (%) No. of patients (%) No. of patients (%) p value
Age 63.64 y 63.28 y 65.96 y  
Alcohol 81 57.45 26 53.06 55 59.78 0.42
Betel nut 79 56.03 25 51.02 51 55.43 0.17
Cigarette 92 65.25 28 57.14 64 69.57 0.21
T1 15 10.64 7 14.29 8 8.70 0.11
T2 41 29.08 13 26.53 28 30.43 0.43
T3 35 24.82 11 22.45 24 26.09 0.14
T4 49 34.75 18 36.73 31 33.70 0.26
N0 30 21.28 8 16.33 22 23.91 0.23
N1 20 14.18 9 18.37 11 11.96 0.11
N2 87 61.70 30 61.22 57 61.96 0.13
N3 4 2.84 2 4.08 2 2.17 0.16
M0 131 92.91 47 95.92 84 91.30 0.11
M1 10 7.09 2 4.08 8 8.70 0.17
Early stage 40 28.37 13 26.53 27 29.35 0.39
Late stage 88 62.41 36 73.47 52 56.52 0.42
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