Skip to main content

Advertisement

Table 1 Studies comparing level of aerobic capacity in RA patients and a healthy reference population

From: Are persons with rheumatoid arthritis deconditioned? A review of physical activity and aerobic capacity

Study (ref nr) n (% F) Reference Population n (% F) Patient characteristics VO2max RA patients versus reference population (ml/kg.min) p: significant difference
    Setting Age [range] Body Composition Disease duration Impairment (FC I-IV)  
de Carvalho 2003 MT [22] 35 (88.6%) 35♣ (?) hospital staff Rheumatology clinic 47,85 (8,29) ? 8 FCI: 40% FCII: 51% FCIII: 8.6% FC I: 24.89 (n=7) FC II: 21.86 (n=6)/24.28 (n=22) NS
Ekdahl 1992 SMB [28] 67 (62.7%) 77♥ (61.0%) personnel ? 53.0 (10.2) female: 164.1 (5.6) cm female: 66.1 (11.6) kg male: 177.9 (6.8) cm male: 75.6 (10.7 kg 10.6 (7.8) FCII female younger than 54 jr: 22.3±6.8 / 31.7±12.1 older than 54 jr: 18.7±3.5/21.9±5.3 male younger than 54 jr: 24.0±4.3/27.6±7.4 older than 54 jr: 18.7±4.1 / 25.1±6.1 p<0.001 p<0.001 p<0.001 p<0.001
Häkkinnen 2002 MB [23] 23 (100%) ERA LRA 12♠ (100%) area residence Hospital ERA: 41 (9) LRA: 49 (7) ERA: 165 (9) cm 61 (13) kg fat: 30.4 (6.6) % LRA: 164 (7) cm 65 (13) kg fat: 34.3 (7.3) % ERA: 2.9 (0.6) LRA: 14.5 (4.5) FCI, II ERA: 26.7±6.8/LRA: 23.1±6.1/controls: 24.8±2.3 NS
Kurtais 2006 MT [24] 19 (100%) 15♥ (100%) ? Rehabilitation centre 48.3 (8.4) ? 128.8 (85.6) months FCI, II 23.7±4.9 / 26.6±6.0 NS
Rall 1996 MB [25] 8 (62.5%) exercise young : 8 (62.5%) old: 8 (62.5%) control old: 6 (66.7%) ♦ Rheumatology clinic RA: 41.8±12.6 exercise young : 25.8±2.5 old : 70.3±5.0 control old 68.8±2.9 65.9 (15.9) kg BMI: 25.0 (4.3) 14.6 (12.5) FC: 2.2 (0.8) 22.9±4.2 / young exercise group: 40.2±10.3 old exercise group: 20.7±5.0 old no exercise group: 21.7±5.7 young exercise versus other groups p<0.001
  1. Age, body composition, disease duration are expressed as mean (standard deviation) if not expressed otherwise, VO2max is expressed as mean ± standard deviation. Age and disease duration are expressed in years. n: number of participants with RA or in reference population, MB: maximal bicycle test, MT: maximal treadmill test, SMB: sub-maximal bicycle test, %F: percentage females, FC: Functional Class, GP: general population, BMI: body mass index, RA: rheumatoid arthritis, ERA: early RA, LRA: late RA, ml/kg.min: milliliter per kilogram per minute. Controls matched on ♣: sex, age, body mass index, ♠: age, ♥: age, sex,♦: no information on matching.