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Table 2 Preoperative provocative tests results among case and control groups

From: Carpal tunnel syndrome: evaluation of its provocative clinical tests

Test and test result Studied groups Sensitivity Specificity PPV NPV Accuracy
Case group (128) Control group (70)
Tinel’s +ve 96(75.0) 13(18.6) 75% 81.4% 88% 64% 77.3%
−ve 32(25.0) 57(81.4)
Compression +ve 104(81.3) 11(15.8) 81.3% 84.2% 90.4% 71.1% 82.3%
−ve 24(18.7) 59(84.2)
Phalen’s +ve 102(79.7) 8(11.4) 79.7% 88.6% 92.7% 70.4% 82.8%
−ve 26(20.3) 62(88.6)
Phalen’s + compression +ve 107(83.6) 16(22.9) 83.6% 77.1% 87% 72% 81.3%
−ve 21(16.4) 54(77.1)
ART +ve 113(88.3) 2(2.9) 88.3% 97.1% 98.3% 81.9% 91.4%
−ve 15(11.7) 68(97.1)