Comparison of clinical variables of patients with (Patients+) and without (Patients−) a complete diagnostic investigation of lower extremity arteries.
| Variable | All Patients | Patients+ | Patients− | p |
|---|---|---|---|---|
| Patients, no. (%) | 112 | 60 (53.6) | 52 (46.4) | |
| Age, mean ± SD, yrs | 69 ± 8.4 | 67.8 ± 8.5 | 70.3 ± 8.2 | 0.12 |
| Female, no. (%) | 86 (76.8) | 47 (78.3) | 39 (75.0) | 0.82 |
| Headache, no. (%) | 59 (52.7) | 34 (56.7) | 25 (48.1) | 0.45 |
| Jaw claudication, no. (%) | 47 (42.0) | 23 (38.3) | 24 (46.2) | 0.45 |
| Impaired vision, no. (%) | 41 (36.6) | 20 (33.3) | 21 (40.4) | 0.56 |
| Arm claudication, no. (%) | 22 (19.6) | 14 (23.3) | 8 (15.4) | 0.35 |
| Leg claudication, no. (%) | 17 (15.2) | 17 (28.3) | 0 | < 0.01 |
| PMR, no. (%) | 45 (40.2) | 24 (40) | 21 (40.4) | 1.00 |
| Constitutional symptoms, no. (%) | 62 (55.4) | 37 (61.7) | 25 (49.0) | 0.25 |
| Time between symptom onset and diagnosis, mean ± SD, wks | 18.2 ± 21.8 | 17.9 ± 19.8 | 18.5 ± 24.0 | 0.89 |
| C-reactive protein at time of diagnosis, mean ± SD, mg/dl* | 7.3 ± 5.7 | 7.1 ± 5.4 | 7.5 ± 6.1 | 0.69 |
| ESR at time of diagnosis, mean ± SD, mm/h** | 75 ± 34 | 80 ± 35 | 70 ± 33 | 0.11 |
| Temporal artery halo (CDS), no. (%) | 58 (51.8) | 28 (46.7) | 30 (57.7) | 0.26 |
| Temporal artery biopsy, no. (%) | 56 (50.0) | 28 (46.7) | 28 (53.8) | 0.57 |
| Positive temporal artery biopsy, no. (%) | 42 (75.0) | 18 (64.3) | 23 (85.7) | 0.12 |
| ≥ 3 ACR criteria fulfilled, no. (%) | 7 (68.8) | 39 (65.0) | 38 (73.1) | 0.42 |
| GCA of the carotid arteries (CDS), no. (%) | 30 (26.8) | 21 (35.6) | 9 (17.3) | 0.05 |
| GCA of the arm arteries (CDS), no. (%) | 58 (51.8) | 35 (59.3) | 23 (44.2) | 0.18 |