Table 2.
Cross-tabulation of opioid use before and after surgery
| Opioid use after surgery | ||||
|---|---|---|---|---|
| Yes | No | Total | ||
| Opioid use before surgery | Yes | 15 | 7 | 22 |
| No | 9 | 14 | 23 | |
| Total | 24 | 21 | 45 | |
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