TABLE 1.

Sensitivity, specificity and predictive values of carpal tunnel syndrome provocative tests

	Sensitivity	Specificity	Positive predictive value	Negative predictive value
Tinel’s sign	62%	93%	88%	76%
Phalen’s test (60 s)	85%	90%	87%	89%
Wrist flexion with fingers flexed (60 s)	74%	92%	87%	82%
Wrist flexion with fingers flexed (30 s)	66%	95%	91%	78%
Wrist flexion with pressure (60 s)	96%	80%	79%	96%
Wrist flexion with pressure (30 s)	92%	85%	83%	93%
Wrist extension (60 s)	89%	83%	81%	91%
Wrist extension (30 s)	79%	93%	90%	85%
Wrist extension with pressure (60 s)	94%	75%	75%	94%
Wrist extension with pressure (30 s)	91%	82%	80%	92%