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Table 2 Studies comparing JCPyV DNA prevalence between cases and controls

From: Review on the role of the human Polyomavirus JC in the development of tumors

Reference

Positive cases/total cases (%)

Type of Sample

Positive controls/total controls (%)

Type of Sample

[125]

0/233 (0%)

CRC tumor tissue

1/233 (0.4%)

Adjacent noncancerous tissue

[128]

49/80 (61.3%)

CRC tumor tissue

6/20 (30.0%)

Healthy tissue

15/25 (60.0%)

Adenoma tissue

[115]

6/23 (26.1%)

CRC tumor tissue

0/20 (0%)

Healthy tissue

1/21 (4.8%)

Adenoma tissue

[126]

15/18 (8.3%)

CRC tumor tissue

13/16 (81.2%)

Adjacent noncancerous tissue

[112]

19/22 (86.4%)

CRC tumor tissue

0/22 (0.0%)

Adjacent noncancerous tissue

[129]

0/94 (0.0%)

Adenoma tissue

0/91 (0.0%)

Healthy tissue

[124]

56/137 (40.9%)

CRC tumor tissue

34/137 (24.8%)

Adjacent noncancerous tissue

11/80 (13.8%)

Healthy tissue

[127]

12/14 (85.7%)

CRC tumor tissue

40/100 (40.0%)

Healthy tissue

55/60 (91.7%)

Adenoma tissue

[132]

38/114 (33.3%)

CRC glandular/stromal tissue

2/20 (10%)

Healthy glandular/stromal tissue

6/40 (15.0%)

Adenoma glandular/stromal tissue

[117]

61/105 (58.1%)

CRC tumor tissue

13/89 (14.6%)

Adjacent noncancerous tissue