Table 1.
Descriptive statistics of measured variables.
| Variable | N | Mean | SD |
|---|---|---|---|
| Age (years) | 72 | 65.75 | 1.10 |
| BMI (kg/m2) | 72 | 26.19 | 0.54 |
| Illness duration (years) | 72 | 13.90 | 1.09 |
| Body composition and muscle strength | |||
| Fat percentage (%) | 72 | 36.50 | 1.03 |
| Fat mass (kg) | 72 | 27.23 | 1.24 |
| Visceral fat level | 72 | 9.68 | 0.33 |
| Metabolic age (years) | 72 | 64.68 | 1.48 |
| Fat free mass (kg) | 72 | 45.16 | 0.79 |
| Total body water (%) | 72 | 31.47 | 0.64 |
| Muscle mass (kg) | 72 | 42.87 | 0.75 |
| Bone mass (kg) | 72 | 2.30 | 0.04 |
| Basal metabolic rate (cal/day) | 72 | 5705.6 | 97.5 |
| Daily calorie intake (kJ) | 72 | 9420 | 176 |
| Muscle strength—men (kg) | 6 | 19.17 | 1.22 |
| Muscle strength—women (kg) | 66 | 13.95 | 1.44 |
| Disease specific parameters | |||
| DAS tender joint | 72 | 11.44 | 0.75 |
| DAS swollen joint | 72 | 7.86 | 0.49 |
| DAS ESR (mm/hr) | 72 | 28.60 | 2.53 |
| DAS VAS | 72 | 50.35 | 2.01 |
| DAS result | 72 | 5.40 | 0.14 |
| HAQ-DI | 71 | 1.19 | 0.52 |
| NRS | 71 | 0.33 | 0.10 |
| Medication | |||
| NSAID | 46 | ||
| CSDMARD | 62 | ||
| BDMARD | 6 | ||
| Paracetamol | 4 | ||
| Paracetamol/Tramadol | 22 | ||
| Corticosteroids | 55 | ||
| Number of medications | |||
| ≤3 | 20 | ||
| >3 | 50 | ||
| Comorbidities | |||
| Arterial hypertension | 46 | ||
| Diabetes mellitus | 8 | ||
| Chronic kidney disease | 1 | ||
| Hyperlipidemia | 11 | ||
| Coronary artery disease | 11 | ||
| Gastric ulcer | 23 | ||
| Thyroid disease | 15 | ||
| Mineral bone density | |||
| Osteopenia | 23 | ||
| Osteoporosis | 36 | ||
| Lifestyle | |||
| Education level | |||
| Elementary school | 32 | ||
| High school | 36 | ||
| Bachelor’s/Master’s | 4 | ||
| Martial status | |||
| Married/Widowed | 38 | ||
| Unmarried | 34 | ||
| Exercise | 34 | ||
| N. of weekly exercises | |||
| 2 | 7 | ||
| 3 | 9 | ||
| 4 | 5 | ||
| 5 | 6 | ||
| 6 | 4 | ||
| 7 | 3 | ||
Abbreviations: N—number, SD—standard deviation, BMI—body mass index (kg/m2), DAS—disease activity score, DAS ESR—disease activity score erythrocyte sedimentation rate, DAS VAS—disease activity score visually analogue scale, NRS—nutrition risk screening score, HAQ-DI—health assessment questionnaire-disability index, NSAID—non-steroid anti-inflammatory drug, CSDMARD—conventional synthetic disease-modifying antirheumatic drugs, BDMARD—biologic disease-modifying antirheumatic drugs.