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Table 6 Baseline anthropometrics and body composition as predictors of erosion 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

0.01

− 0.05, 0.06

0.01

− 0.04, 0.06

0.02

− 0.05, 0.08

0.02

− 0.04, 0.09

− 0.02

− 0.13, 0.08

− 0.04

− 0.14, 0.06

 Normal BMI (reference)c

0.00

 

0.00

 

0.00

 

0.00

 

0.00

 

0.00

 

 Obesec

− 0.03

− 0.21, 0.15

− 0.04

− 0.21, 0.12

− 0.06

− 0.28, 0.17

− 0.05

− 0.26, 0.15

− 0.01

− 0.33, 0.32

− 0.03

− 0.35, 0.28

 Obese or overweightc

− 0.05

− 0.16, 0.06

− 0.03

− 0.13, 0.08

− 0.04

− 0.17, 0.09

0.01

− 0.11, 0.13

− 0.09

− 0.29, 0.11

− 0.10

− 0.29, 0.09

 Overweightc

− 0.06

− 0.18, 0.06

− 0.03

− 0.14, 0.08

− 0.04

− 0.18, 0.11

0.02

− 0.12, 0.15

− 0.12

− 0.33, 0.10

− 0.13

− 0.33, 0.08

Body composition

 Truncal to peripheral fat ratio (per SD)b

0.03

− 0.04, 0.10

0.01

− 0.06, 0.08

− 0.01

− 0.12, 0.09

− 0.03

− 0.13, 0.07

− 0.03

− 0.17, 0.10

− 0.03

− 0.14, 0.08

 Total body fat percentage (per SD)b

− 0.02

− 0.09, 0.05

− 0.02

− 0.09, 0.04

0.05

− 0.05, 0.15

0.03

− 0.07, 0.13

− 0.01

− 0.21, 0.19

− 0.05

− 0.22, 0.12

 Fat mass index (per SD)b

− 0.01

− 0.08, 0.07

− 0.02

− 0.09, 0.05

0.03

− 0.06, 0.12

0.01

− 0.07, 0.10

0.03

− 0.17, 0.22

− 0.02

− 0.19, 0.15

 Fat free mass index (per SD)b

0.07

− 0.01, 0.14

0.05

− 0.02, 0.12

− 0.05

− 0.21, 0.11

− 0.04

− 0.19, 0.11

0.09

− 0.05, 0.23

0.08

− 0.04, 0.19

 Fat mass lean mass index (per SD)b

− 0.02

− 0.09, 0.06

− 0.02

− 0.09, 0.05

0.05

− 0.05, 0.14

0.03

− 0.07, 0.12

− 0.03

− 0.30, 0.24

− 0.08

− 0.30, 0.15

  1. Numbers in bold indicate significance of p ≤ 0.05
  2. CI confidence interval, BMI body mass index, SD standard deviation, RF rheumatoid factor
  3. aAdjusted for RF and baseline erosion 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 1.8; fat mass lean mass index 0.2
  5. cFor definitions see Table 1