Skip to main content

Table 5 Baseline anthropometrics and body composition as predictors of joint space narrowing progression over 5 years

From: Predictors of radiographic erosion and joint space narrowing progression in patients with early rheumatoid arthritis: a cohort study

 

All

Women

Men

Crude

Adjusteda

Crude

Adjusteda

Crude

Adjusteda

β

95% CI

β

95% CI

β

95% CI

β

95% CI

β

95% CI

β

95% CI

Anthropometrics

 BMI (per SD)b

− 0.03

− 0.09, 0.03

− 0.04

− 0.10, 0.02

− 0.03

− 0.11, 0.04

− 0.04

− 0.11, 0.03

− 0.02

− 0.14, 0.10

− 0.05

− 0.16, 0.07

 Normal BMIc (reference)

0.00

 

0.00

 

0.00

 

0.00

 

0.00

 

0.00

 

 Obesec

− 0.14

− 0.34, 0.06

− 0.14

− 0.31, 0.04

− 0.18

− 0.41, 0.06

− 0.18

− 0.37, 0.02

− 0.07

− 0.46, 0.32

− 0.07

− 0.48, 0.34

 Obese or overweightc

− 0.14

− 0.26, − 0.01

− 0.14

− 0.26, − 0.03

− 0.15

− 0.30, 0.01

− 0.15

− 0.30, − 0.01

− 0.11

− 0.34, 0.12

− 0.13

− 0.36, 0.09

 Overweightc

− 0.13

− 0.27, 0.00

− 0.15

− 0.28, − 0.02

− 0.14

− 0.31, 0.03

− 0.15

− 0.31, 0.01

− 0.12

− 0.38, 0.14

− 0.16

− 0.41, 0.09

Body composition

 Truncal to peripheral fat ratio (per SD)b

− 0.02

− 0.10, 0.06

− 0.07

− 0.15, 0.01

− 0.09

− 0.21, 0.03

− 0.14

− 0.25, − 0.02

0.05

− 0.12, 0.21

0.03

− 0.15, 0.22

 Total body fat percentage (per SD)b

− 0.04

− 0.12, 0.05

− 0.04

− 0.12, 0.04

− 0.03

− 0.15, 0.09

− 0.06

− 0.17, 0.06

− 0.04

− 0.28, 0.21

− 0.16

− 0.40, 0.08

 Fat mass index (per SD)b

− 0.05

− 0.13, 0.04

− 0.06

− 0.14, 0.02

− 0.05

− 0.15, 0.06

− 0.06

− 0.16, 0.04

− 0.04

− 0.28, 0.20

− 0.17

− 0.40, 0.06

 Fat free mass index (per SD)b

− 0.02

− 0.10, 0.07

− 0.03

− 0.12, 0.05

− 0.15

− 0.33, 0.04

− 0.12

− 0.30, 0.06

− 0.02

− 0.20, 0.16

− 0.06

− 0.23, 0.11

 Fat mass lean mass index (per SD)b

− 0.04

− 0.12, 0.05

− 0.04

− 0.12, 0.04

− 0.03

− 0.14, 0.08

− 0.05

− 0.16, 0.06

− 0.07

− 0.39, 0.26

− 0.21

− 0.52, 0.10

  1. Numbers in bold indicate significance of p ≤ 0.05
  2. CI confidence interval, BMI body mass index, SD standard deviation, RF rheumatoid factor, JSN joint space narrowing
  3. aAdjusted for RF, age, and baseline JSN score
  4. bSD: BMI 4.0 kg/m2; truncal to peripheral fat ratio 0.27; total body fat percentage 8.6; fat mass index 3.0; fat free mass index 1.9; fat mass lean mass index 0.2
  5. cFor definitions see Table 1