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Table 2 SE and SP for DCEUS and enhanced-CT imaging to diagnose T staging

From: Comparison of the diagnostic accuracy of enhanced-CT and double contrast-enhanced ultrasound for preoperative T-staging of gastric cancer: a meta-analysis

Characteristics

Sensitivity(%)

Specificity(%)

DCEUS

(95%CI)

Enahnced-CT

(95%CI)

Mean Difference (95%CI)

P-Value of Mean Difference

DCEUS

(95%CI)

Enahnced-CT

(95%CI)

Mean Difference (95%CI)

P-Value of Mean Difference

CDTA

 T1

91(76, 98)

53(35, 70)

38 (10, 66)

0.007

99(97, 100)

99(96, 100)

0(−3, 2)

0.80

 T2

81(67, 90)

58(43, 71)

18 (−8, 44)

0.18

98(95, 99)

94(90, 96)

3 (−3, 9)

0.30

 T3

82(70, 91)

71(58, 83)

9 (−17, 35)

0.49

83(78, 87)

70(64, 75)

−1 (−31, 28)

0.94

 T4

78(70, 84)

64(57, 72)

−15 (−64, 33)

0.53

95(90, 98)

93(87, 89)

1 (−7, 8)

0.89

STDA

 T1

62(51, 73)

56(45, 66)

/

/

97(95, 99)

98(96, 99)

/

/

 T2

81(76, 86)

63(54, 70)

/

/

95(89, 98)

88(85, 91)

/

/

 T3

89(85, 92)

77(72, 82)

/

/

89(84, 93)

84(81, 87)

/

/

 T4

90(83, 94)

77(70, 83)

/

/

96(94, 97)

96(94, 97)

/

/

  1. CT computed tomography, DCEUS double contrast-enhanced ultrasound, CDTA comparative diagnostic test accuracy studies, SDTA Single diagnostic test accuracy studies