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Table 1 Characteristics of the study population*

From: Optimal sampling of MRI slices for the assessment of knee cartilage volume for cross-sectional and longitudinal studies

 

TASOAC dataset N = 100

KCV dataset N = 50

Age (year)

62.3(7.6)

42.8(6.1)

Sex (female %)†

48

62

Height (cm)

167.4(8.7)

168.6(7.9)

Weight (kg)

76.0(15.0)

73.9(13.7)

BMI (kg/m2)

27.1(4.3)

25.9(4.1)

Any knee ROA (%)†

62

18

Knee ROA total score (0-12)

1.3 (1.7)

0.2(0.7)

Lateral tibial cartilage volume (ml)‡

3.0(0.7)

2.6(0.5)

Medial tibial cartilage volume (ml)‡

2.7(0.5)

2.2(0.5)

Patellar tibial cartilage volume (ml)‡

3.5(1.0)

3.5(0.9)

Lateral tibial cartilage volume change (%) per year‡

-

-1.2(3.4)

Medial tibial cartilage volume change (%) per year‡

-

-2.9(3.9)

Patellar cartilage volume change (%) per year‡

-

-3.8(3.4)

  1. *Values are mean (SD) except for indicated. BMI: body mass index. ROA: radiographic osteoarthritis. † Percentage. ‡ Measured with the whole sample of 1.5 mm thick MRI slices.