Table 1 Baseline characteristics of patients
Characteristics | White blood cell count (K/uL) | P value | |
|---|---|---|---|
≤ 11 (n = 245) | > 11 (n = 80) | ||
Demographics | |||
Gender | 0.145 | ||
Male | 160 (65.3%) | 45 (56.3%) | |
Female | 85 (34.7%) | 35 (43.8%) | |
Age, years | 69.0 (55.0–77.0) | 64.5 (55.0–77.0) | 0.378 |
Insurance | 0.786 | ||
Government | 16 (6.5%) | 4 (5.0%) | |
Medicaid | 11 (4.5%) | 4 (5.0%) | |
Medicare | 130 (53.1%) | 41 (51.3%) | |
Private | 83 (33.9%) | 31 (38.8%) | |
Selfpay | 5 (2.0%) | 0 (0.0%) | |
Ethnicity | 0.846 | ||
White | 166 (67.8%) | 56 (70.0%) | |
Black | 32 (13.1%) | 12 (15.0%) | |
Hispanic | 11 (4.5%) | 2 (2.5%) | |
Others | 36 (14.7%) | 10 (12.5%) | |
Dissection site | 0.152 | ||
Thoracic | 143 (58.4%) | 38 (47.5%) | |
Abdominal | 38 (15.5%) | 19 (23.8%) | |
Thoracoabdominal | 64 (26.1%) | 23 (28.8%) | |
Sanford type | 0.058 | ||
A | 172 (70.2%) | 47 (58.7%) | |
B | 73 (29.8%) | 33 (41.3%) | |
Comorbidities | |||
Hypertension | 142 (58.0%) | 50 (62.5%) | 0.473 |
Diabetes | 19 (7.8%) | 8 (10.0%) | 0.528 |
HC | 38 (15.5%) | 12 (15.0%) | 0.913 |
Valvular disease | 22 (9.0%) | 11 (13.8%) | 0.220 |
Stroke | 18 (7.3%) | 7 (8.8%) | 0.683 |
CAD | 44 (18.0%) | 14 (17.5%) | 0.926 |
CHF | 11 (4.5%) | 18 (22.5%) | 0.001 |
Atrial fibrillation | 42 (17.1%) | 14 (17.5%) | 0.941 |
Renal disease | 30 (12.2%) | 15 (18.8%) | 0.144 |
Liver disease | 9 (3.7%) | 1 (1.3%) | 0.461 |
Respiratory disease | 49 (20.0%) | 14 (17.5%) | 0.623 |
AKI | 96 (39.2%) | 37 (46.3%) | 0.264 |
RRT | 20 (8.2%) | 9 (11.3%) | 0.400 |
Laboratory test | |||
RBC, K/uL | 3.7 ± 0.6 | 3.8 ± 0.9 | 0.234 |
PLT, K/uL | 154.0 (116.0–220.0) | 180.5 (136.5–265.5) | 0.021 |
RDW, % | 14.4 (13.6–15.4) | 14.6 (13.7–15.3) | 0.449 |
HCT, % | 28.0 (22.0–33.0) | 30.4 ± 6.9 | 0.006 |
Hb, g/dL | 9.6 (7.6–11.5) | 10.3 ± 2.4 | 0.029 |
BUN, mg/dL | 15.0 (12.0–20.0) | 20.0 (15.0–26.5) | < 0.001 |
Creatinine, mg/dL | 1.0 (1.0–2.0) | 1.0 (1.0–2.0) | 0.064 |
Chloride, mmol/L | 102.0 (100.0–105.0) | 102.4 ± 4.2 | 0.899 |
Glucose, mg/dL | 100.0 (88.0–116.0) | 110.5 (91.0–126.0) | 0.013 |
APTT, s | 28.4 (25.4–32.7) | 27.7 (24.4–33.0) | 0.571 |
INR | 1.0 (1.0–1.0) | 1.0 (1.0–1.0) | 0.148 |
PT, s | 13.4 (12.6–14.4) | 13.4 (12.4–14.8) | 0.769 |
Sodium, mmol/L | 136.0 (134.0–139.0) | 136.6 ± 3.3 | 0.246 |
Potassium, mmol/L | 3.6 (3.3–3.9) | 3.7 ± 0.6 | 0.187 |
Total Ca2, mg/dL | 9.0 (8.0–9.0) | 8.5 (8.0–9.0) | 0.618 |
Magnesium, mg/dL | 2.0 (1.9–2.3) | 2.0 (1.9–2.3) | 0.633 |
SBP, mmHg | 151.0 (136.0–164.0) | 149.5 (134.5–164.5) | 0.859 |
DBP, mmHg | 80.0 (72.0–89.0) | 82.0 (71.0–93.0) | 0.504 |
MAP, mmHg | 102.0 (93.0–111.0) | 103.0 (92.5–114.0) | 0.590 |
Severity score | |||
SAPSII | 34.0 (27.0–41.0) | 40.5 ± 14.3 | 0.003 |
OASIS | 32.0 (27.0–37.0) | 34.0 (26.0–41.5) | 0.173 |
SOFA | 4.0 (2.0–6.0) | 4.0 (2.0–7.0) | 0.624 |
SIRS | 2.0 (2.0–3.0) | 3.0 (3.0–4.0) | < 0.001 |
Treatment | 0.366 | ||
Medical | 58 (31.0%) | 22 (28.6%) | |
Surgical | 84 (44.9%) | 30 (39.0%) | |
Endovascular | 45 (24.1%) | 25 (32.5%) | |