Epinephrine group (N = 51) | No epinephrine group (N = 50) | P value | |
---|---|---|---|
Agea (yr) | 67.1 (8.6) | 66.8 (8.9) | 0.88† |
Sexb | 0.34# | ||
Male | 4 (7.8%) | 8 (16.0%) | |
Female | 47 (92.2%) | 42 (84.0%) | |
BMIa (kg/m^2) | 25.8 (3.2) | 26.2 (3.4) | 0.55† |
Starting hemoglobina (g/dL) | 131.8 (12.3) | 132.4 (14.3) | 0.22† |
ASA classificationb | 0.32§ | ||
1 (normal, healthy) | 20 (39.2%) | 19 (38.0%) | |
2 (mild, systemic disease) | 30 (58.8%) | 29 (58.0%) | |
3 (severe systemic disease) | 1 (2.0%) | 3 (6.0%) | |
Preoperative diagnosisb | 0.99** | ||
Osteoarthritis | 50 (98.0%) | 48 (96.0%) | |
Rheumatoid arthritis | 1 (2.0%) | 2 (4.0%) | |
Tourniquet timea (min) | NA | 61.1 (7.8) | |
Operating timea (min) | 81.6 (12.1) | 80.9 (9.3) | 0.76† |
Follow-up durationa (day) | 28.5 (2.5) | 28.2 (2.6) | 0.41† |