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Table 2 Studies comparing level of physical activity 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 populationn (%F) Patients with RA Physical activity RA patiënts versus reference population p: significant difference
    Setting Age [range] Body Compostion Disease duration Impairment (FC I-IV)  
v d Berg 2007 [13] 232 (71.1%) 6,428,441* (53%) GP records Hospital based 62.6 (9.2) 45–64 jr: 58% > 65 jr: 42% ? ? ? Light: 1297±1009 min/wk / 1495 min/wk Moderate: 369±543 min.wk / 517 min/wk Vigorous: 170±257 min/wk / 187 min/wk Light: 634±795 min/wk / 618 min/wk Moderate: 231±244 min/wk /304 min/wk Vigorous: 250±417 min/wk / 296 min/wk p=0.01 p=0.01 p=0.01 p=0.01
Lemney 2009 [29] 73 (63.0%) 28♦ (57%) ? ? 52.9 (12.9) Fat 36.6 (12.8) % p<0.001 ? ? Physical Activity Scale (0–7) 0.8±0.7 / 5.4±1.7 p<0.001
Mancuso 2007 [14] 121 (84%) 120 (91%) Personnel hospital Hospital based 49 (19–72) ? 14 (10) ? Walking: 692±610 kcal/w / 1.044±1260 kcal/w Stair climbing: 184±212 kcal/w / 185±262 kcal/w Exercise: 599±848 kcal/w / controls: 729±1210 kcal/w p=0.002
MacKinnon 2003 [30] 143 (74.8%) 142♥ (72.5%) area residence Rheumatology clinic 49.7 (11.2) ? ? ? Work 37.1±19.6 h/wk / 46.5±17.2 h/wk ADL 89.0±15.3 h/wk / 81.1±11.5 h/wk Leisure 38.4±15.4 h/wk / 37.9±15.6 h/wk p<0.05 p<0.05
Roubenoff 2002 [27] 20 (100%) 20♣ (100%) ? Arthritis center 47 (14) BMI 25.3 (4.5) 7.7 (6.5) FCI FCII PAEE 2849±1075 kJ/d / 3883±1732 kJ/d PA questionnaire 2188±1075 kJ/d / 3150±1611 kJ/d PA activity monitor 1264±992 kJ/d / 2280±1469 kJ/d p<0.04 p<0.04 p<0.04
Tourinho 2007 [31] 71 (100) 29♠ (100) sisters/cousins Rheumatology clinic 38.10 (6.62) 1.57 (0.14) m 62.68 (12.56) kg 30 (7,3) FC I: 70% Sedentarism 17.3 % / 3.4% Mild 57.7% / 35% Moderate 25% / 65% Intense 0% / 0% No exercise in leisure time 74% / 66.7% p=0.004 p=0.004
Roubenoff 1994 [26] 23 (82.6) 23 (82.6) ? Rheumatology clinic 50 (15) Body cell mass 22.5 (4.3) kg p< 0.000 12.3±8.4 jr FC I (n=5) FC II (n=10) FC III/IV (n=8) Vigorous 0.1±0.2 h/d / 1.5±1.5 h/d Moderate 4.0±3.2 h/d / 5.6±2.3 h/d Light 11.6±3.4 h/d / 9.2±3.2 h/d p<0.0001 p<0.06 p<0.02
  1. Age, body composition,disease duration and physical activity are expresed as mean±standard deviation if not expressed otherwise. n: number of participants with RA or in reference population, RA: rheumatoid arthritis, FC: Functional Class, GP: general population, BMI: body mass index in kilogram per square meter, >: older than.
  2. kcal/wk: kilocalory per week, min/wk: minutes per week, kJ/d: kiloJoule per day, h/d: hours per day. Controls matched on ♣: race, age, body mass index, ♠: genetic factors, ♥: age, sex, : race, age, sex, weight, ♦: controls selected to contrast on body fat, activity level, *: no information on matching.