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Table 1 Patient Characteristics

From: Intra-individual comparison of 68Ga-PSMA-11 and 18F-DCFPyL normal-organ biodistribution

Variable

N (%) or Median (IQR)

Age (years)

67.5 (9.75)

Baseline risk (NCCN)

 Low

3 (8.8%)

 Intermediate

7 (20.6%)

 High

21 (61.8%)

 Unknown

3 (8.8%)

Indication (at first scan)

 Diagnosis / Primary Staging

2 (5.9%)

 Biochemical Recurrence

27 (79.4%)

 Restaging of Metastatic Disease

5 (14.7%)

Treatment Naive

2 (5.9%)

Primary Therapy

32 (94.1%)

 Radical Prostatectomy

22 (64.7%)

 Primary EBRT

5 (14.7%)

 Brachitherapy

5 (14.7%)

Previous Salvage Therapy

14 (41.2%)

 Salvage EBRT

13 (38.2%)

 Salvage LND

1 (2.9%)

Previous Systemic Therapy

13 (38.2%)

 ADT

13 (38.2%)

 Chemotherapy

1 (2.9%)

Interval Therapya

9 (26.5%)

 Local

6 (17.6%)

 Systemic

3 (8.8%)

Time between scans (months)

22.5 (12.08)

On ADT at 68Ga-PSMA-11 scan

8 (23.5%)

On ADT at 18F-DCFPyL scan

10 (29.4%)

PSA at 68Ga-PSMA-11 scan (ng/mL)

1.9 (4.44)

PSA at 18F-DCFPyL scan (ng/mL)

2.0 (3.55)

  1. aFour patients had interval salvage EBRT and 2 had LND; Two patients interval started ADT and 1 patient had interval chemotherapy also starting ADT; one patient interval stopped ADT
  2. NCCN National Comprehensive Cancer Network, EBRT External Beam Radiotherapy, LND Lymph Node Dissection, ADT Androgen Deprivation Therapy, PSA Prostate Specific Antigen