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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.