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Table 5 Comparison of the sensitivity and specificity of serum tumor markers, pathology, and methylation detection for different subtypes of lung cancer

From: Evaluating the comprehensive diagnosis efficiency of lung cancer, including measurement of SHOX2 and RASSF1A gene methylation

Biomarkers

Sencitivity

Specificity

PPV

NPV

LC (total)

LUAC

LUSC

SCLC

Benign

n = 172

n = 98

n = 52

n = 22

n = 55

Serum

 CEA

48.80%

59.20%

30.80%

45.50%

74.10%

85.70%

31.30%

 SCCA

26.20%

10.20%

61.50%

13.60%

81.50%

81.80%

26.20%

 CYFRA21-1

55.80%

50.00%

65.40%

59.10%

85.20%

92.30%

37.70%

 CEA + SCCA + CYFRA21-1

75.00%

73.50%

82.70%

63.60%

55.60%

84.30%

41.10%

Exfoliated cell BALF + Biopsy

 Cytology

30.30%

29.60%

28.80%

36.40%

100.00%

100.00%

29.40%

 LungMe®

86.00%

80.60%

92.30%

95.50%

92.70%

97.40%

67.60%

 Histology

60.50%

55.10%

71.20%

59.10%

100.00%

100.00%

49.80%

 Cytology + LungMe®

91.30%

86.70%

98.10%

95.50%

92.70%

97.40%

76.90%

 Histology + Cytology + LungMe®

96.50%

94.90%

100.00%

95.50%

92.70%

98.20%

83.90%

  1. The cutoff values for CEA, SCCA, and CYFRA21–1 were 5 ng/mL, 1.5 ng/mL, and 3.3 ng/mL, respectively