Table 1.

IFP Samples - Patient characteristics and analgesic medication

Patient Characteristics
Patients, n	20
Sex, no. female (%) / no. male (%)	10 (50%) / 10 (50%)
Age [years], mean (± SD, range)	64.2 (± 13.4, 33–82)
BMI [kg/m2], mean (± SD, range)	31.8 (± 7.3, 19.6–44)
WOMAC total	126 (± 65, 50–223)
WOMAC pain	5.8 (± 3.5, 1.6–8.9)
Painkiller: NSAID/opioid, n (%)	7 (35%)