Parameters | Whole group | Robust (69) | Frail (38) | p | ||||||
Place of living (urban/rural area) | 29/77 | 16/53 | 13/24 | 0.79 | ||||||
Education (primary/vocational/ secondary/higher) | 15/34/37/20 | 9/20/28/12 | 6/14/9/8 | 0.95 | ||||||
Marital Status (unmarried/married/ living with partner/widow;widower or divorced) | 2/69/29/6 | 1/45/19/4 | 1/24/10/2 | 1 | ||||||
Professional status (working/ not working/retired/pensioner on benefits) | 10/10/17/69 | 4/4/13/48 | 6/6/4/21 | 0.52 | ||||||
Type of work (physical/mental) | 59/47 | 37/32 | 22/15 | 0.99 | ||||||
Drinking coffee (n): yes/no | 89 | 59 | 30 | 0.99 | ||||||
Drinking alcohol (n): yes/no | 20 | 13 | 7 | 1 | ||||||
Drugs (n): Methotrexat / NSAiD/ glucocorticosteroids/ etanercept/ Adalimumab | 106/20/24/18/12 | 69/17/20/12/7 | 37/15/11/6/5 | 0.74 | ||||||
median | 1st quartile | 3rd quartile | median | 1st quartile | 3rd quartile | median | 1st quartile | 3rd quartile | p | |
Age (years) | 65 | 62 | 68 | 65 | 63 | 68 | 65 | 62 | 68 | 0.75a |
Duration of disease (months) | 142 | 72 | 240 | 180 | 90 | 240 | 120 | 60 | 240 | 0.20 |
Number of painful joints (n) | 6 | 4 | 8 | 6 | 4 | 10 | 6 | 4 | 8 | 0.49 |
Number of swollen joints (n) | 4 | 2 | 6 | 4 | 2 | 7 | 4 | 2 | 4 | 0.24 |
Duration of morning stiffness (minutes) | 60 | 30 | 60 | 60 | 30 | 60 | 45 | 20 | 60 | 0.22 |
BMI (kg/m2) | 26.89 | 24.09 | 29.35 | 26.93 | 23.8 | 29.35 | 26.84 | 24.8 | 29.24 | 0.46 |
VAS | 55 | 45 | 65 | 55 | 45 | 65 | 56 | 42 | 65 | 0.68a |
Red blood cell | 4.34 | 4.12 | 4.68 | 4.32 | 4.12 | 4.6 | 4.41 | 4.14 | 4.8 | 0.09 |
ESR | 17.5 | 13 | 28 | 20 | 13 | 32 | 16 | 13 | 20 | 0.05 |
CRP | 0.73 | 0.42 | 1.48 | 0.74 | 0.49 | 1.52 | 0.7 | 0.42 | 1.25 | 0.38 |
Creatine | 0.76 | 0.7 | 0.85 | 0.78 | 0.7 | 0.85 | 0.73 | 0.7 | 0.84 | 0.11 |
ALAT | 22 | 17 | 28 | 21 | 16 | 24 | 23 | 19 | 31 | 0.01a |
ASPAT | 22 | 18 | 25 | 22 | 18 | 24 | 22 | 18 | 25 | 0.44a |
DAS-28 | 4.71 | 4.24 | 5.38 | 4.86 | 4.16 | 5.64 | 4.6 | 4.26 | 4.95 | 0.02a |
DAS-28-CRP | 3.92 | 3.41 | 4.58 | 3.99 | 3.41 | 4.69 | 3.84 | 3.41 | 4.20 | 0.049a |
Acceptance of illness | 27 | 21 | 33 | 26 | 20 | 32.5 | 30 | 23 | 34 | 0.28a |
Smoking (nonsmoker/smoker) Number of days | 15 | 8 | 7 | 0.90 | ||||||
10 | 5 | 15 | 10 | 6 | 12.5 | 10 | 5 | 18 | 0.97a | |
Smoking in the past Number of days Number smoking years | 35 | 25 | 10 | 0.92 | ||||||
10 | 5 | 20 | 10 | 5 | 20 | 10 | 7 | 20 | 0.51a | |
20 | 15 | 30 | 20 | 15 | 30 | 22 | 15 | 30 | 0.39a |