Table 2.
Multiple factor assignment.
| Variable | Assignment |
|---|---|
| Dependent variable | |
| Intracranial infection | Y = 1; N = 0 |
| Independent variables | |
| Amount of bleeding (ml) | ＞7 = 1; ≤7 = 0 |
| Time of operation (hours) | ≥220 = 1;＜220 = 0 |
| Diabetes mellitus | Y = 1; N = 0 |
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