TABLE 5.
Accuracy of Preoperative CT Impression Compared With Final Diagnosis: Sensitivities for Any Appendicitis and Perforated Appendicitis
| CT Scan | Any Appendicitis | Perforated Appendicitis | ||||
|---|---|---|---|---|---|---|
| Sensitivity | P | Sensitivity | P | |||
| Overall | 249/262 | 95.0% | 42/73 | 57.5% | ||
| Study location | .07 | .045 | ||||
| Community | 169/181 | 93.4% | 24/49 | 49.0% | ||
| Children’s | 80/81 | 98.8% | 18/24 | 75.0% | ||
| Age, y | .42 | .77 | ||||
| 1–6 | 26/28 | 92.9% | 6/11 | 54.5% | ||
| 7–12 | 95/98 | 96.9% | 16/30 | 53.3% | ||
| 13–18 | 128/136 | 94.1% | 20/32 | 62.5% | ||
| Weight category | .23 | .17 | ||||
| Underweight/normal | 145/155 | 93.5% | 30/46 | 65.2% | ||
| Overweight/obese | 80/82 | 97.6% | 9/20 | 45.0% | ||
| Gender | .78 | .35 | ||||
| Female | 102/108 | 94.4% | 20/31 | 64.5% | ||
| Male | 147/154 | 95.5% | 22/42 | 52.4% | ||