Table 2.
Clinical presentation of patients
| Diabetic patients (N = 46) | Nondiabetic patients (N = 53) | P value | |
|---|---|---|---|
| Arthralgia | 46 (100) | 52 (98.1) | 1.000 |
| Score of arthralgia* | 6.0 ± 2.2 | 5.1 ± 2.0 | 0.040 |
| Severe arthralgia† | 27 (58.7) | 11 (20.7) | 0.0002 |
| Score of severe arthralgia | 8.2 ± 0.7 | 7.5 ± 0.8 | 0.021 |
| Occurrence of arthralgia before fever | 25 (54.3) | 22 (41.5) | 0.230 |
| Days before arthralgia improvement | 8.2 ± 3.0 | 3.5 ± 2.5 | < 0.0001 |
| Fever | 40 (86.9) | 48 (90.5) | 0.750 |
| Number of days with fever | 5.1 ± 1.8 | 3.7 ± 1.7 | 0.0002 |
| Myalgia | 37 (80.4) | 27 (50.9) | 0.003 |
| Score of myalgia* | 5.4 ± 2.2 | 4.6 ± 2.5 | 0.182 |
| Arthralgia + fever + myalgia | 33 (71.7) | 23 (43.3) | 0.008 |
| Debilitating illness‡ | 11 (23.9) | 5 (9.4) | 0.060 |
| Chills | 25 (54.3) | 28 (52.8) | 1.000 |
| Pruritus | 27 (58.7) | 24 (45.2) | 0.277 |
| Fatigue | 23 (52.3) | 26 (49.0) | 1.000 |
| Back pain | 26 (56.5) | 21 (39.6) | 0.109 |
| Difficult walking | 25 (54.3) | 22 (41.5) | 0.230 |
| Headache | 15 (32.6) | 25 (47.1) | 0.156 |
| Lymphadenopathy | 21 (45.7) | 16 (30.1) | 0.145 |
| Joint swelling | 17 (36.9) | 19 (35.8) | 1.000 |
| Rash | 10 (21.7) | 9 (16.9) | 0.614 |
| Use of acetaminophen | 36 (78.2) | 38 (71.7) | 0.604 |
SD = standard deviation. Data are n (%) or mean ± SD.
*
Assessed with an 11-point numeric rating scale from 0 (no pain) to 10 (maximal pain).
†
Score of 7–10.
‡
With loss of the ability to carry out daily tasks and the capacity to live independently.