Note. Information on psychological and other treatments was not available for Hogg et al. [20], National Pain Audit [27], [28], Peng et al. [17], and Veillette et al. [22]. De Benedittis and Lorenzetti [23] reported a mean utilization index instead of the percentage of pain treatment facilities that used a specific procedure and data were therefore not included in the table. Articles reporting on a procedure not reported in another study were not included in the table ( procedures). Articles reporting treatments without percentages were not included. Reported as family/couple therapy.