Table 3.
Baseline characteristics
| Patient and laboratory characteristics | Patients reporting bleeding symptom(s) (n = 240) Mean (SD) or n (%) | Patients not reporting bleeding symptoms (n = 95) Mean (SD) or n (%) | P values |
|---|---|---|---|
| Female | 173 (72) | 43 (45) | <.001 |
| Age (years) | 50 (14.8) | 56 (13.4) | .001 |
| BMI (kg/m2) | 26.5 (5.2) | 26.6 (4) | .86 |
| Renal dysfunction (eGFR <60 mL/min) | 15 (6.3) | 7 (7.5) | .7 |
| Liver dysfunction | 0 | 0 | 1 |
| Blood type 0 | 112 (46.7) | 28 (29.5) | .004 |
|
ASA 1 ASA 2 ASA 3 ASA 4 or 5 |
98 (40.1) 134 (55.8) 8 (3.3) 0 |
42 (44.2) 52 (54.7) 1 (1.1) 0 |
.47 |
|
Orthopedic surgery General surgery Gynecological surgery Oral surgery Ear nose throat surgery Urological surgery Neurosurgery Other |
59 (24.6) 55 (22.4) 35 (14.6) 8 (3.3) 16 (6.5) 11 (4.5) 22 (8.9) 34 (13.8) |
32 (33.7) 21 (22.1) 4 (4.2) 2 (2.1) 9 (9.5) 5 (5.3) 5 (5.3) 17 (17.9) |
.12 |
|
Hemoglobin (g/dL) Women Men |
13.7 (1.1) 15.3 (1) |
13.9 (1) 15.0 (1.2) |
.38 .29 |
| MCV (fL) | 90.2 (4.6) | 90.6 (3.6) | .41 |
| Thrombocytes (109/L) | 270 (60) | 271 (75) | .93 |
| MPV (fL) | 10.5 (0.87) | 10.5 (0.88) | .42 |
Baseline characteristics. ASA, American Society of Anesthesiologists; BMI, body mass index; eGFR, estimated glomerular filtration ratio; MCV, mean cell volume; MPV, mean platelet volume; SD, standard deviation.