Table 2 Characteristics of the individuals included in this study (% of the total of patients)
From: Alterations in epidermal growth factor receptors 1 and 2 in esophageal squamous cell carcinomas
| Â | Controls | Patients |
|---|---|---|
Samples, n(%) | Â | Â |
FFPE samples | - | 98 (41) |
Frozen Samples | - | 143 (59) |
Blood samples | 304 (100) | - |
Total | 304 (100) | 241 (100) |
Gender, n(%) | Â | Â |
Male | 140 (46) | 154 (64) |
Female | 163 (54) | 50 (21) |
Median Age (years) | 54 | 58 |
Range | 19-89 | 34-88 |
Alcohol Consumption, n(%) | Â | Â |
Never drink | 214 (70) | 30 (12) |
Current Drinker | 83 (27) | 139 (58) |
Tobacco Consumption, n(%) | Â | Â |
Never smoke | 133 (44) | 18 (7) |
Current Smoker | 164 (54) | 157 (65) |
Packs/Year Index, n(%) | Â | Â |
≤ 30 | 92 (69) | 63 (26) |
> 30 | 24 (18) | 88 (37) |
T (TNM), n(%) | Â | Â |
Ti | - | 1 (0,4) |
T1 | - | 10 (4) |
T2 | - | 16 (7) |
T3 | - | 61 (25) |
T4 | - | 34 (14) |