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Table 2 Diagnostic values (95% confidence interval) of various tests and signs for tear of the subscapularis

From: The scissors sign: a provocative test for detecting the leading-edge tear of subscapularis tendon: a diagnostic study

Tests and Signs

Sensitivity (%)

Specificity (%)

Positive predictive value (%)

Negative predictive value (%)

Diagnostic accuracy (%)

AUC/ROCa

LETSb (N = 31)

 Scissors

90.3 (79.9-100.0)

81.6 (74.5-88.7)

57.1 (43.3-71.0)

96.8 (93.4-100.0)

83.5

0.860

 Belly press

41.9 (24.6-59.3)

89.5 (83.8-95.1)

52.0 (32.4-71.6)

85.0 (78.6-91.4)

79.3

0.657

 Belly off

38.7 (21.6-55.9)

92.1 (87.2-97.1)

57.1 (36.0-78.3)

84.7 (78.3-91.0)

80.7

0.654

 Napoleon

22.6 (7.9-37.3)

91.2 (86.0-96.4)

41.2 (17.8-64.6)

81.3 (74.5-88.0)

76.6

0.569

 Lift off

19.4 (5.4-33.3)

95.6 (91.9-99.4)

54.6 (25.1-84.0)

81.3 (74.7-87.9)

79.3

0.575

 IRLSc

19.4 (5.4-33.3)

95.6 (91.9-99.4)

54.6 (25.1-84.0)

81.3 (74.7-87.9)

79.3

0.575

 Bear hug

45.2 (27.6-62.7)

90.4 (84.9-95.8)

56.0 (36.5-75.5)

85.8 (79.6-92.1)

80.7

0.678

CTSd (N = 12)

 Scissors

75.0 (50.5-99.5)

81.6 (74.5-88.7)

30.0 (13.6-46.4)

96.8 (93.4-100.0)

81.0

0.783

 Belly press

41.7 (13.8-69.6)

89.5 (83.8-95.1)

29.4 (7.8-51.1)

93.6 (89.0-98.2)

84.9

0.656

 Belly off

75.0 (50.5-99.5)

92.1 (87.2-97.1)

50.0 (26.9-73.1)

97.2 (94.1-100.0)

90.5

0.836

 Napoleon

66.7 (40.0-93.3)

91.2 (86.0-96.4)

44.4 (21.5-67.4)

96.3 (92.7-99.9)

88.9

0.789

 Lift off

66.7 (40.0-93.3)

95.6 (91.9-99.4)

61.5 (35.1-88.0)

96.5 (93.1-99.9)

92.9

0.770

 IRLSc

50.0 (21.7-78.3)

95.6 (91.9-99.4)

54.6 (25.1-84.0)

94.8 (90.7-98.8)

91.3

0.728

 Bear hug

75.0 (50.5-99.5)

90.4 (84.9-95.8)

45.0 (23.2-66.8)

97.2 (94.0-100.0)

88.9

0.827

  1. aAUC/ROC area under the curve and receiver operating characteristics
  2. bLETS leading edge tear of the subscapularis
  3. cIRLS internal rotational lag sign
  4. dCTS compete tear of the subscapularis