Table 3.
Comparison of CD9-positive and CD9-negative cases
| CD9-positive, n (%) | CD9-negative, n (%) | |
|---|---|---|
| Low risk | 4 (19.0) | 5 (35.7) |
| High risk | 17 (81.0) | 9 (64.3) |
| Total | 21 (100.0) | 14 (100.0) |
χ2: 1.222; p = 0.269
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