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Table 2 Clinicopathologic characteristics in serum samples of patients with CRC and healthy control
| Characteristic | CRC | Polyps | Controls | |
|---|---|---|---|---|
| Series 1 | n = 9 | n = 10 | n = 30 | |
| Sex | ||||
| Male | 3 | 6 | 15 | |
| Female | 6 | 4 | 15 | |
| Age | ||||
| Mean ± SD | 66.1 ± 17.2 | 71.5 ± 11.8 | 62. 1 ± 17.3 | |
| Range | 36-94 | 56-91 | 22-91 | |
| Stage | ||||
| I/II | 4 (1/3) | Na | Na | |
| III/IV | 5 (1/4) | Na | Na | |
| Series 2 | n = 23 | n = 16 | n = 131 | |
| Sex | ||||
| Male | 18 | 10 | 71 | |
| Female | 5 | 6 | 60 | |
| Age | ||||
| Mean ± SD | 68.6 ± 11.2 | 61.8 ± 9.2 | 58.5 ± 16.3 | |
| Range | 51-84 | 52-85 | 18-94 | |
| Stage | ||||
| I/II | 2 (1/1) | Na | Na | |
| III/IV | 21 (6/15) | Na | Na | |
| Series 1 + 2 pooled | n = 32 | n =26 | n = 161 | |
| Sex | ||||
| Male | 21 | 16 | 86 | |
| Female | 11 | 10 | 75 | |
| Age | ||||
| Mean ± SD | 67.9 ± 12.9 | 65.5 ± 11.1 | 59.1 ± 16.5 | |
| Range | 36-94 | 52-91 | 18-94 | |
| Stage | ||||
| I/II | 6 (2/4) | Na | Na | |
| III/IV | 26 (7/19) | Na | Na |
