Table 1 Demographics and laboratory values between the study groups
Non-HES group (n=72) | HES group (n=57) | p value | |
|---|---|---|---|
Demographic characteristics | |||
Age (years) | 57 (48–63) | 57 (46–65) | 0.58 |
Weight (kilogram) | 75 (62.5-87) | 79 (63.5-97.5) | 0.18 |
Male | 24 (33.3%) | 18 (31.6%) | 0.83 |
Female | 48 (66.4%) | 39 (68.4%) | |
Caucasian | 38 (52.8%) | 32 (56.1%) | 0.88 |
African-American | 27 (37.5%) | 19 (33.3%) | |
Others | 7 (9.7%) | 6 (10.5%) | |
Pre-existing medical conditions at admission | |||
No past medical history | 7 (9.7%) | 3 (5.3%) | 0.34 |
Ischemic heart disease | 4 (5.6%) | 10 (17.5%) | 0.03 |
Congestive heart failure | 4 (5.6%) | 4 (7%) | 0.73 |
Cerebro-vascular accident- stroke | 2 (2.8%) | 2 (3.5%) | 0.81 |
Cerebro-vascular accident- transient ischemic attack | 0 (0%) | 2 (3.5%) | 0.11 |
Previous history of Subarachnoid Hemorrhage | 0 (0%) | 0 (0%) | NA |
Epilepsy | 1 (1.4%) | 1 (1.8%) | 0.86 |
Hypertension | 40 (55.6%) | 43 (75.4%) | 0.02 |
Chronic renal failure- no dialysis | 2 (2.8%) | 3 (5.3%) | 0.46 |
Chronic renal failure- Peritoneal or Hemodialysis | 0 (0%) | 0 (0%) | NA |
Diabetes- not on insulin | 2 (2.8%) | 3 (5.3%) | 0.47 |
Diabetes- treated with insulin | 3 (4.2%) | 5 (8.8%) | 0.28 |
COPD ( no home oxygen) | 3 (4.2%) | 4 (7%) | 0.48 |
COPD (home oxygen) | 0 (0%) | 0 (0%) | NA |
Smoker | 22 (30.6%) | 11 (19.3%) | 0.14 |
Family history of Subarachnoid Hemorrhage | 6 (8.3%) | 2 (3.5%) | 0.26 |
Home medication at admission | |||
Patient not on any home medications | 18 (25%) | 10 (17.5%) | 0.31 |
Aspirin | 17 (23.6%) | 20 (35%) | 0.15 |
Clopidogrel | 0 (0%) | 2 (3.5%) | 0.11 |
Statin | 22 (30.6%) | 12 (21%) | 0.22 |
Subarachnoid Hemorrhage grading at admission | |||
Hunt-Hess grade | |||
Hunt-Hess grade 1 | 6 (8.3%) | 4 (7%) | |
Hunt-Hess grade 2 | 36 (50%) | 32 (56.1%) | |
Hunt-Hess grade 3 | 17 (23.6%) | 13 (22.8%) | |
Hunt-Hess grade 4 | 6 (8.3%) | 2 (3.5%) | |
Hunt-Hess grade 5 | 7 (9.7%) | 6 (10.5%) | 0.82 |
Fisher grade | |||
Fisher grade 1 | 4 (5.5%) | 1 (1.8%) | 0.04 |
Fisher grade 2 | 12 (16.7%) | 2 (3.5%) | |
Fisher grade 3 | 45 (62.5%) | 47 (82.4%) | |
Fisher grade 4 | 11 (15.3%) | 7 (12.3%) | |
Treatment of aneurysm during this hospital stay | |||
Open Craniotomy and aneurysm clipping | 31 (43%) | 32 (56.1%) | 0.14 |
Endovascular coil embolization | 35 (48.6%) | 22 (38.5%) | 0.25 |
Laboratory investigation during hospital stay | |||
Hemoglobin at admission (g.dl-1) | 13 (11.6-14) | 12.7 (11.5-14.3) | 0.84 |
Lowest Hemoglobin during hospital stay (g.dl-1) | 9.5 (8.3-10.7) | 8.3 (7.6-9.4) | 0.001 |
Platelet count at admission (× 109/L) | 243 (206–283) | 235 (194–272) | 0.59 |
Prothrombin Time at admission (sec) | 11.9 (11.1-12.8) | 12.2 (11.6-13) | 0.16 |
Partial Thromboplastin Time at admission (sec) | 26.8 (24–28.8) | 25.7 (23.5-27.6) | 0.26 |
Serum Creatinine at admission (mg.dl-1) | 0.8(0.6-1) | 0.8(0.7-0.9) | 0.46 |
Highest Serum Creatinine during hospital stay (mg.dl-1) | 0.9 (0.8-1.2) | 0.9 (0.75-1.1) | 0.70 |