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Table 6 Analysis of findings by lesion size demonstrating true positives, false negatives, sensitivity, specificity, accuracy, underestimation, overestimation.

From: Optimizing of preoperative computed tomography for diagnosis in patients with peritoneal carcinomatosis

 

LS = 0

LS = 1

LS = 2

LS = 3

Region count

199

159

73

50

True positives

n.a.

118

71

45

False negatives

n.a.

41

2

5

Sensitivity

n.a.

74%

97%

90%

Specificity

84%

n.a.

n.a.

n.a.

Accuracy

84%

53%

48%

34%

Under estimate

n.a.

26%

34%

66%

Over estimate

16%

21%

18%

n.a.

  1. n = 481 (37 patients × 13 abdominopelvic regions)
  2. n.a. = not available