Table 1 Baseline characteristics
From: Predictors for pulmonary artery involvement in Takayasu arteritis and its cluster analysis
| Â | TAK with PAI (n=65) | TAK without PAI (n=76) | P value |
|---|---|---|---|
Clinical characteristics | |||
 Disease duration (months) | 96 (24,174) | 42 (6,120) | 0.012 |
 Female sex, n (%) | 62 (95.4) | 70 (92.1) | 0.654 |
 Age (years) | 39 ± 12 | 38 ± 12 | 0.447 |
 Age of onset (years) | 29 ± 11 | 31 ± 12 | 0.662 |
 BMI | 22.90 ± 3.78 | 21.81 ± 2.84 | 0.116 |
Numano subtype | |||
 Type I, n (%) | 5 (7.69) | 11 (14.5) | 0.206 |
 Type IIa, n (%) | 5 (7.69) | 2 (2.63) | 0.322 |
 Type IIb, n (%) | 13 (20.0) | 12 (15.8) | 0.514 |
 Type III, n (%) | 1 (1.54) | 5 (6.58) | 0.289 |
 Type IV, n (%) | 0 (0) | 5 (6.58) | 0.099 |
 Type V, n (%) | 41 (63.1) | 41 (53.9) | 0.273 |
Symptoms | |||
 Hemoptysis, n (%) | 7 (10.8) | 1 (1.32) | 0.040 |
 Oppression in the chest, n (%) | 26 (40.0) | 16 (21.1) | 0.014 |
 Fever, n (%) | 15 (23.1) | 7 (9.21) | 0.024 |
 Dizziness, n (%) | 30 (46.2) | 38 (50.0) | 0.649 |
 Palpitations, n (%) | 10 (15.4) | 10 (13.1) | 0.706 |
 Chest pain, n (%) | 15 (23.1) | 16 (21.1) | 0.772 |
Comorbidities and personal history | |||
 Mycobacterium tuberculosis infection, n (%) | 14 (21.5) | 5 (6.57) | 0.010 |
 PAH, n (%) | 14 (21.5) | 2 (2.6) | <0.001 |
 Pulmonary infarction, n (%) | 27 (41.5) | 0 (0) | <0.001 |
 Hypoxemia, n (%) | 12 (18.5) | 1 (1.3) | <0.001 |
 Hypertension, n (%) | 19 (29.2) | 26 (34.2) | 0.527 |
 Diabetes mellitus, n (%) | 3 (4.62) | 6 (7.89) | 0.654 |
 Hyperlipidemia, n (%) | 6 (9.23) | 13 (17.1) | 0.172 |
 Coronary heart disease, n (%) | 9 (13.8) | 5 (6.58) | 0.150 |
 Cerebrovascular disease, n (%) | 2 (3.08) | 6 (7.89) | 0.386 |
 History of smoking, n (%) | 3 (4.62) | 7 (9.21) | 0.465 |
 History of alcohol, n (%) | 1 (1.54) | 5 (6.58) | 0.289 |
Blood biochemistry, inflammatory markers, and disease activity | |||
 WBC (109/L) | 7.4 ± 2.5 | 7.1 ± 2.6 | 0.484 |
 HGB (109/L) | 120 ± 20 | 120 ± 17 | 0.957 |
 PLT (109/L) | 283 ± 96 | 269 ± 86 | 0.795 |
 ESR (mm/1h) | 17 (7, 36) | 17 (10, 30) | 0.826 |
 CRP (mg/l) | 5.96 (1.14, 19.86) | 3.03(0.59, 8.29) | 0.056 |
 NIH score | 2 (2, 3) | 2 (2, 3) | 0.330 |
The artery involvement | |||
 Common carotid artery, n (%) | 55 (84.6) | 55 (72.4) | 0.080 |
 Vertebral artery, n (%) | 23 (35.4) | 23 (30.3) | 0.518 |
 Arteria subclavia, n (%) | 58 (89.2) | 60 (78.9) | 0.099 |
 Superior mesenteric artery, n (%) | 18 (27.7) | 20 (26.3) | 0.854 |
 Renal artery, n (%) | 18 (27.7) | 31 (40.8) | 0.104 |
 Common iliac artery, n (%) | 9( 13.8) | 13 (17.1) | 0.595 |
 Thoracic aorta, n (%) | 56 (86.2) | 45 (59.2) | <0.001 |
 Aorta abdominalis, n (%) | 34 (52.3) | 41 (53.9) | 0.846 |