Knee cartilage loss in symptomatic knee osteoarthritis over 4.5 years

Table 3 Factors potentially affecting change in cartilage volume over 4.5 years

BMI, body mass index; CI, confidence interval; WOMAC, Western Ontario and McMaster University Osteoarthritis Index. ^aMultivariate analysis with age, gender, BMI, initial cartilage volume, bone size and initial pain (WOMAC) score in regression equation; ^bdifference in rate of loss of cartilage volume per 10-year difference in age; ^cdifference in rate of loss of cartilage volume for males compared with females; ^ddifference in rate of loss of cartilage volume per centimetre difference in height; ^edifference in rate of loss of cartilage volume per 10 kg difference in weight; ^fdifference in rate of loss of cartilage volume per unit increase in BMI; ^gdifference in rate of loss of cartilage volume per 1,000 mm³ increase in initial cartilage volume; ^hdifference in rate of loss of cartilage volume per 100 mm² increase in bone area; ⁱdifference in rate of loss of cartilage volume per 10-unit increase in baseline WOMAC pain score.

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