Table 1

Characteristics of all identified patients.

Identified patientsNon respondersRespondersCases
Number345158187164
Mean age in years (SD)55.3 (15.4)54.4 (17.4)56.0 (13.5)55.4 (13.5)
Females (%)756979.979.9
Arthrosis on lower limbs, or lower back pain (%)4858
  • SD = standard deviation.