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 |