Numbers of Local Recurrence and Body LN or Skeletal Metastases and Detection Rate of Those Lesions by MR Imaging and 11C-Choline PET/CT Stratified by PSA Levels
| PSA | n | No. of patients with LR | No. of patients with Mets | Sensitivity of MR imaging for LR | Sensitivity of choline PET/CT for LR | Sensitivity of choline PET/CT for Mets |
| <1 | 7 | 5 | 2 | 80.0% (4/5; 95% CI, 37.6%–96.4%) | 20.0% (1/5; 95% CI, 3.6%–62.4%) | 100% (2/2; 95% CI, 34.2%–100%) |
| 1 ≤<2 | 30 | 15 | 16 | 86.7% (13/15; 95% CI, 62.1%–96.3%) | 53.3% (8/15; 95% CI, 30.1%–75.2%) | 87.5% (14/16; 95% CI, 64.0%–96.5%) |
| 2 ≤<4 | 39 | 22 | 23 | 95.5% (21/22; 95% CI, 78.2%–99.2%) | 45.5% (10/22; 95% CI, 26.9%–65.3%) | 91.3% (21/23; 95% CI, 79.8%–100%) |
| 4 ≤<10 | 27 | 12 | 26 | 83.3% (10/12; 95% CI, 55.2%–95.3%) | 75.0% (9/12; 95% CI, 46.8%–91.1%) | 100% (26/26; 95% CI, 87.1%–100%) |
| 10 ≤ | 12 | 7 | 12 | 85.7% (6/7; 95% CI, 48.7%–97.4%) | 71.4% (5/7; 95% CI, 35.9%–91.8%) | 83.3% (10/12; 95% CI, 55.2%–95.3%) |
| Total | 115 | 61 | 79 | 88.5% (54/61; 95% CI, 78.2%–94.3%) | 54.1% (33/61; 95% CI, 41.7%–66.0%) | 92.4% (73/79; 95% CI, 86.6%–98.2%) |
LR = local recurrence in prostatectomy bed; Mets = metastasis to both intra- and extrapelvic regions of body; CI = confidence interval.