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Table 3 Overall diagnostic values (95% confidence interval) of various tests and signs for subscapularis tear

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

Scissors

87.4 (81.4-93.4)

81.6 (74.5-88.7)

83.2 (76.7-89.8)

86.1 (79.6-92.6)

84.6

0.845

Belly press

37.0 (28.3-45.7)

89.5 (83.8-95.1)

78.6 (67.8-89.3)

57.6 (50.4-64.9)

62.7

0.632

Belly off

42.0 (33.2-50.9)

92.1 (87.2-97.1)

84.8 (75.6-93.9)

60.3 (53.1-67.6)

66.5

0.671

Napoleon

36.1 (27.5-44.8)

91.2 (86.0-96.4)

81.1 (70.6-91.7)

57.8 (50.6-65.0)

63.1

0.637

Lift off

27.7 (19.7-35.8)

95.6 (91.9-99.4)

86.8 (76.1-97.6)

55.9 (48.9-62.9)

60.9

0.617

IRLSb

18.5 (11.5-25.5)

95.6 (91.9-99.4)

81.5 (66.8-96.1)

52.9 (46.1-59.7)

56.2

0.571

Bear hug

45.4 (36.4-54.3)

90.4 (84.9-95.8)

83.1 (74.0-92.2)

61.3 (54.0-68.7)

67.4

0.679

  1. aAUC/ROC area under the curve and receiver operating characteristics
  2. bIRLS internal rotational lag sign