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Table 1 Subject characteristics

From: A large infrapatellar fat pad protects against knee pain and lateral tibial cartilage volume loss

 

Baseline (n = 297)

Follow up (n = 271)

Age

58.0 (5.5)

60.2 (5.2)

Gender, female, n (%)

186 (62.6)

169 (62.4)

Body mass index, kgm−2

25.9 (4.3)

25.8 (4.0)

WOMAC pain measures

-

 

Mean

 

34.6 (41.1)

Low, range in mm

 

0.0–24.9

High, range in mm

 

25.0–247.00

IPFP measures

  

IFPF maximal cross-sectional area, cm2

6.9 (1.2)

-

Small, range in cm2

4.22–6.72

 

Large, range in cm2

6.73–10.57

 

Cartilage volume, mm3

  

Medial tibial

1,705 (530)

1,651 (507)

Lateral tibial

2,026 (644)

1,991 (626)

Patella

2,918 (941)

2,807 (937)

Tibial bone area, mm2

  

Medial

2,014 (309)

-

Lateral

1,288 (195)

-

Patella bone volume, mm3

20,276 (4,667)

-

Change data

Annual percentage cartilage loss (SEM)

 

Medial tibial

1.2 (0.2)

Lateral tibial

1.1 (0.2)

Patella

1.8 (0.2)

  1. Results displayed as mean (standard deviation) unless otherwise stated. WOMAC Western Ontario and McMaster University Osteoarthritis Index, IPFP infrapatellar fat pad, SEM standard error of the mean