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Table 3 Distribution of patients’ subjective parameter ratings pre-operatively. (Total N = 33)

From: A stepped approach for the management of symptomatic internal derangement of the temporomandibular joint

Subjective parameters None (n) Mild (n) Medium (n) Severe (n)
Spontaneous pain 11 3 10 9
Pain on function 0 3 15 15
Difficulty on chewing 1 5 12 15
Perceived disability of jaw movements 1 6 12 14