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Table 4 Calculated sensitivity, specificity, false positive, false negative and true positive rates, negative and positive predictive values (tumor suspicious lesions excluded)

From: Intraoperative fine needle aspirations - diagnosis and typing of lung cancer in small biopsies: challenges and limitations

 

All

SQC

SCLC

AD

LC

Carcinoid

Sensitivity

94.8 %

78.4 %

87.5 %

70.9 %

49.4 %

72.2 %

Specificity

98.8 %

93.1 %

99.0 %

91.0 %

88.2 %

99.3 %

False positive rate

1.2 %

6.9 %

1.0 %

9.0 %

11.8 %

0.7 %

False negative rate

5.2 %

21.6 %

12.5 %

29.1 %

50.6 %

27.8 %

Negative predective value

75.0 %

94.5 %

99.8 %

77.4 %

92.3 %

99.2 %

Positive predective value

99.8 %

74.2 %

53.8 %

87.9 %

37.9 %

76.5 %