Table 3.

Reliability of Binary Clinical Tests Incorporated in the Expert-driven Revised Algorithms

Clinical Test	Kappa for Item Reliability*
History of pain (RDC/TMD Question 3**)	1.00
History of jaw locking (RDC/TMD Question 14**)	1.00
Temporalis or masseter familiar pain to palpation	0.75
Temporalis or masseter familiar pain with opening	0.63
Detection of muscle pain (Familiar pain to palpation or jaw movement)	0.73
Pain-free unassisted interincisal opening plus vertical incisal overlap < 40 mm	0.92
Detection of disc click	0.70
Maximum assisted interincisal opening (regardless of pain) plus vertical incisal overlap < 40 mm	0.63
Familiar joint pain with 1 lb. palpation pressure	0.86
Familiar joint pain with 2 lb. palpation pressure	0.89
Familiar joint pain with opening	0.61
Familiar joint pain with lateral excursion	0.63
Detection of joint pain (Familiar pain to palpation or with jaw movements)	0.78
Examiner-detected coarse crepitus	0.80
Participant-reported crepitus	0.91
Detection of crepitus (Examiner-detected or participant- reported crepitus)	0.85

^*Kappa estimates were computed using generalized estimate equations (GEE).

^**Research Diagnostic Criteria for Temporomandibular Disorders: Review, Criteria, Examinations and Specifications, Critique ¹.