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Table 1 Comparison of patients'age, clicking duration, locking duration, paining duration and interincisal opening between the adhesion group and the non-adhesion group

From: Intra-articular adhesions of the temporomandibular joint: Relation between arthroscopic findings and clinical symptoms

Item Adhesion group
(n = 490)
Non-adhesion group
(n = 1230)
t P*
Age (years) 35.03 ± 14.10 27.33 ± 11.78 10.41 .000*
Clicking duration (month) 18.91 ± 32.18 20.59 ± 27.85 1.08 0.281
Locking duration (month) 6.97 ± 8.38 5.42 ± 4.34 3.89 .000*
Paining duration (month) 4.61 ± 4.80 3.71 ± 4.03 3.66 .000*
IO pre-operation (mm) 24.33 ± 6.82 28.38 ± 8.18 9.54 .000*
  1. Note: *P < 0.001; IO: Interincisal opening