Preoperative Risk Factors of Persistent Pain following Total Knee Arthroplasty

Table 1

Demographics and comorbidities of the study population (with range and standard deviation in brackets where applicable).

Age (yrs)	67,6 (48-84, ±7,42)
Female	76,7%
Male	23,3%
Follow-up (days)	231,6 (181-318, ±34,3)
Hypertension	67,2%
Circulatory diseases (other than hypertension)	26,6%
Diabetes mellitus	18%
Hypothyroidism	14%
Epilepsy	1,5%
Ischemic stroke/TIA	0
Depression	0