Non-OSNA group

OSNA group

(All Fishers Exact Test)

Micro- and Macro-metastases

Sensitivity

23%

29%

P = 0.82

Specificity

100%

100%

P = 1

Positive Predictive Value

100%

100%

P = 1

Negative Predictive Value

77%

74%

P = 0.7

Non-OSNA group

OSNA group

Macro-metastases only

Sensitivity

26%

41%

P = 0.12

Specificity

100%

100%

P = 1

Positive Predictive Value

100%

100%

P = 1

Negative Predictive Value

78%

84%

P = 0.14