Table 1. Patient Characteristics and Prognostic Factors of Breast Cancer.
| Propofol (N = 173) |
Sevoflurane (N = 152) |
P value | |
|---|---|---|---|
| Age (yr) | 50.2 (9.7) | 50.5 (10.9) | 0.799 |
| Weight (kg) | 59.1 (8.5) | 57.7 (7.8) | 0.137 |
| Height (cm) | 157.0 (5.7) | 155.8 (5.3) | 0.254 |
| ASA | 0.097 | ||
| I | 5 (2.9) | 0 (0) | |
| II | 159 (91.9) | 142 (93.4) | |
| III | 9 (5.2) | 10 (6.6) | |
| Grade of tumor size | 0.854 | ||
| 1 | 73 (42.7) | 65 (43.0) | |
| 2 | 84 (49.1) | 75 (49.7) | |
| 3 | 11 (6.41) | 10 (6.6) | |
| 4 | 3 (1.8) | 1 (0.7) | |
| Lymph node invasion | 0.810 | ||
| 1 (none) | 69 (39.9) | 65 (43.3) | |
| 2 (1–3 positive) | 60 (34.7) | 48 (32.0) | |
| 3 (>3 positive) | 44 ( 25.4) | 37 (24.7) | |
| Histologic grade | |||
| 1 | 28 (17.2) | 24 (16.6) | |
| 2 | 77 (47.2) | 77 (53.1) | |
| 3 | 58 (35.6) | 44 (30.3) | |
| Hormonal receptor status | |||
| Estrogen positive | 93 (53.8) | 93 (61.7) | 0.177 |
| Progesteron positive | 89 (51.4) | 74 (48.7) | 0.619 |
| HER-2 expression | 83 (48.0) | 70 (46.1) | 0.729 |
| Hormonal therapy | 118 (68.2) | 110 (72.4) | 0.413 |
| Chemotherapy | 164 (94.8) | 137 (90.1) | 0.109 |
| Radiotherapy | 50 (29.5) | 31 (20.4) | 0.060 |
Values are mean (SD) or number of patients (%). ASA: physical status of American Society of Anesthesiology, Grade of tumor size: 1; ≤ 20 nm, 2; > 20 nm, but ≤ 50 nm, 3; > 50 nm, 4; any size with direct extension to the chest wall and/or to the skin, Histologic grade: 1 = least aggressive tumor appearance, 2 = intermediate appearance, 3 = most aggressive appearance. HER-2: epidermal growth factor receptor type 2 expression.