Table 4: Preoperative imaging and white blood count in relation to NAR.
| Preoperative imaging | |||||
|---|---|---|---|---|---|
| Not performed | Direct signs of appendicitis | Indirect signs of appendicitis | Inconclusive information | Total | |
| WBC | |||||
| < 10 | 33% (35/107) | 14% (11/81) | 33% (1/3) | 53% (9/17) | 27% (56/208) |
| 10-14.9 | 10% (30/294) | 3% (5/163) | 33% (5/15) | 39% (9/23) | 10% (49/495) |
| 15+ | 6% (17/266) | 5% (6/131) | 25% (2/8) | 19% (6/32) | 7% (31/437) |
| Total | 12% (82/667) | 6% (22/375) | 31% (8/26) | 33% (24/72) | 12% (136/1140) |