Table 2 Demographic and scan characteristics of SCD patients undergoing CTPA
Variable | Frequency | Percentage | ||
|---|---|---|---|---|
Total Patients | 1084 | 100.0% | ||
| Â | Age at Initial Scan | Â | Â | |
| Â | Under 18 years | 22 | 2.0% | |
18–30 years | 374 | 34.5% | ||
31–45 years | 400 | 36.9% | ||
46–60 years | 227 | 20.9% | ||
Over 60 years | 61 | 5.6% | ||
Sex | Â | Â | ||
| Â | Male | 604 | 55.7% | |
Female | 480 | 44.3% | ||
Patients with PE | 172 | 15.9% | ||
Patients with Recurrent Scans | 415 | 38.3% | ||
Total CTPA Scans | 1934 | 100.0% | ||
| Â | Scans with PE | 189 | 9.8% | |
Recurrent Scans | 850 | 44.0% | ||
| Â | Within 6 months of prior scan | 276 | 32.5% | |
Within 12 months of prior scan | 412 | 48.5% | ||