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Table 1 Demographic and clinical patient data

From: Imaging and outcome correlates of ctDNA methylation markers in prostate cancer: a comparative, cross-sectional [⁶⁸Ga]Ga-PSMA-11 PET/CT study

Variable

Total

N = 122

hsPC

N = 58

CRPC

N = 64

p-Value

Age [y]

70.9 (± 7.6)

Range: (49.0; 85.0)

70.0 (± 7.8)

Range: (50.0; 85.0)

71.8 (± 7.3)

Range: (49.0; 85.0)

0.201

Tracer dose [Mbq]

185.1 ± 19.5

Range: (134.0; 300.0)

186.1 (± 22.0)

Range: (134.0; 300.0)

184.1 (± 17.0)

Range: (149.0; 263.0)

0.802

PSA [ng/mL]

102.65 ± 448.03

Range: (0.01; 3689.0)

6.63 (± 12.29)

Range: (0.18; 51.2)

189.67 (± 607.63)

Range: (0.01; 3689.0)

 < 0.001

DNA methylation markers

    

 AKR1B1 [PMR]

2.82 (± 12.52)

Range: (1e-06; 80.66)

0.00039 (± 0.00198)

Range: (1e-06; 0.015)

5.38 (± 16.94)

Range: (1e-06; 80.66)

 < 0.001

 CHST11 [PMR]

1.75 (± 8.6)

Range: (0.0; 83.77)

0.00035 (± 0.0018)

Range: (0.0; 0.0113)

3.34 (± 11.69)

Range: (0.0; 83.77)

 < 0.001

 CRABP2 [PMR]

0.49 (± 2.36)

Range: (1.7e-05; 20.96)

0.0813 (± 0.102)

Range: (0.000117; 0.597)

0.865 (± 3.22)

Range: (1.7e-05; 20.96)

0.062

 CUGBP2 [PMR]*

0.13 (± 1.05)

Range: (0.0; 10.75)

0.00637 (± 0.0475)

Range: (0.0; 0.361)

0.247 (± 1.46)

Range: (0.0; 10.75)

0.086

 KLF8 [PMR]

3.3 (± 9.73)

Range: (0.00317; 45.07)

0.238 (± 0.827)

Range: (0.00317; 6.28)

6.08 (± 12.83)

Range: (0.00664; 45.07)

0.001

 LDAH [PMR]

3.41 (± 11.79)

Range: (4.1e-05; 71.99)

0.0104 (± 0.0596)

Range: (4.1e-05; 0.452)

6.5 (± 15.71)

Range: (4.4e-05; 71.99)

 < 0.001

 PCDHGC4 [PMR]

2.23 (± 7.88)

Range: (1e-06; 42.61)

0.0118 (± 0.0355)

Range: (1e-06; 0.254)

4.25 (± 10.52)

Range: (1e-06; 42.61)

 < 0.001

 TNFAIP8 [PMR]

1.06 (± 5.66)

Range: (0.0; 58.36)

0.397 (± 0.675)

Range: (5.5e-05; 3.69)

1.66 (± 7.77)

Range: (0.0; 58.36)

0.737

 PSMA-TV [cm3]

116.5 ± 305.5

Range: (0.0; 1597.7)

16.2 (± 86.5)

Range: (0.0; 659.1)

207.4 (± 392.8)

Range: (0.0; 1597.7)

 < 0.001

Disease extent

   

 < 0.001

 Non

25 (20.49%)

16 (27.59%)

9 (14.06%)

 

 Localized

21 (17.21%)

16 (27.59%)

5 (7.81%)

 

 Metastatic

76 (62.3%)

26 (44.83%)

50 (78.12%)

 

PSMA-TV [cm3] per disease extent

    

 Localized

4.5 (± 4.4)

Range: (0.2; 15.4)

4.26 (± 4.1)

Range: (0.2; 14.83)

5.28 (± 5.8)

Range: (0.8; 15.38)

0.836

 Metastatic

185.7 (± 370.5)

Range: (0.2; 1597.7)

33.5 (± 128.4)

Range: (0.2; 659.1)

264.9 (± 427.7)

Range: (0.3; 1597.7)

 < 0.001

PSMA-positive lesions

    

 Any lesion

97 (79.51%)

42 (72.41%)

55 (85.94%)

0.104

 Prostate

39 (31.97%)

23 (39.66%)

16 (25.0%)

0.124

 Lymph node

51 (41.8%)

19 (32.76%)

32 (50.0%)

0.081

 Bone

51 (41.8%)

10 (17.24%)

41 (64.06%)

 < 0.001

 Organ

18 (14.75%)

4 (6.9%)

14 (21.88%)

0.023

Hormonal therapies while PET

   

 < 0.001

 Yes

48 (39.34%)

4 (6.9%)

44 (68.75%)

 

 No

68 (55.7%)

51 (87.93%)

17 (26.56%)

 

Cytotoxic therapies while PET

   

0.403

 Yes

4 (3.3%)

1 (1.72%)

3 (4.69%)

 

 No

114 (93.4%)

54 (93.1%)

60 (93.75%)

 

Therapies after PET

   

 < 0.001

 Local

29 (39.19%)

22 (57.89%)

7 (19.44%)

 

 Local + ADT

5 (6.76%)

5 (13.16%)

0 (0.0%)

 

 ADT

17 (22.97%)

8 (21.05%)

9 (25.0%)

 

 CHT

3 (4.05%)

0 (0.0%)

3 (8.33%)

 

 CHT + ADT

2 (2.7%)

1 (2.63%)

1 (2.78%)

 

 Lu177

17 (22.97%)

1 (2.63%)

16 (44.44%)

 

 Study

1 (1.35%)

1 (2.63%)

0 (0.0%)

 

Time since diagnosis [y]

5.44 ± 5.85

Range: (0.0; 21.0)

N = 111

3.58 (± 4.67)

Range: (0.0; 20.0)

N = 55

7.27 (± 6.39)

Range: (0.0; 21.0)

N = 56

 < 0.001

Mean Follow-Up [m]

24.88 ± 16.56

21.0 ± 16.33

29.15 ± 15.88

0.011

 

Range: (0.0; 58.75)

Range: (0.43; 58.75)

Range: (0.0; 51.87)

 
  1. Qualitative data represented as numbers and percentages; Continuous data represented as mean, standard deviation and range; Group comparisons with respect to hsPC and CRPC. *Two CUGBP2 outlier values were excluded from the analysis