Table 4.
Differences between CT scan observations T2 and T3
| (N) | Mean rank | Sum of ranks | Z | P value | Sig. | |
|---|---|---|---|---|---|---|
| Negative ranks | 1 | 1 | 1 | −1 | 0.317 | NS |
| Positive ranks | 0 | 0 | 0 | |||
| Ties | 19 |
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