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. 2009 Nov-Dec;14(6):445–453. doi: 10.1155/2009/137901

TABLE 5.

Comparison of differences in effect sizes (ES) from entry to discharge between the American four-week outpatient pain management program (Turk et al [15]; six half-days) and the present Swiss four-week inpatient pain management program (Verra et al; 29 days, up to 6 h of therapy per day)

Dysfunctional ES
Interpersonally distressed ES
Adaptive copers ES
Turk et al (n=16) Verra et al (n=43) Turk et al (n =17) Verra et al (n =28) Turk et al (n=15) Verra et al (n=45)
MPI pain severity 1.85 1.42 0.21 0.62 1.00 1.32
MPI interference with pain 1.00 1.55 0.20 0.47 0.54 0.87
Physical functioning 0.63 (ODI) 0.82 (SF-36) 0.01 (ODI) 0.22 (SF-36) 0.01 (ODI) 0.69 (SF-36)
Depression 0.80 (CES-D) 0.54 (HADS) 0.44 (CES-D) 0.50 (HADS) −0.03 (CES-D) 0.50 (HADS)

CES-D Center for Epidemiological Studies Depression Scale; HADS Hospital Anxiety and Depression Scale, depression subscale; MPI Multidimensional Pain Inventory; ODI Oswestry Disability Inventory; SF-36 Medical Outcomes Studies Short Form-36, physical functioning subscale. Data from reference 15 and the present study