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Table 2 Relationship between capsular width assessed by ultrasonography and TMJ pain

From: Can ultrasonography be used to assess capsular distention in the painful temporomandibular joint?

  Capsular width (mm) p-value
Total patients (N = 174 joints)   
Pain ( +) 2.04 ± 0.49  < 0.001*
Pain ( −) 1.37 ± 0.41  
Unilateral pain patients (N = 47 paired joints)   
Pain ( +) 2.04 ± 0.52  < 0.001*
Pain ( −) 1.37 ± 0.36  
Pain duration   
More than 3 months 2.15 ± 0.52 0.081
Less than 3 months 1.97 ± 0.45  
  1. * Statistically significant by independent t-test and paired t-test