Bleeding symptoms in patients with BUCs
| . | N* . | All patients . | Blood group O . | Blood group non-O . | P† . | BHC . |
|---|---|---|---|---|---|---|
| Epistaxis | 422 | 133 (31.5) | 60 (30.2) | 73 (37.2) | .568 | NS |
| Hematoma/easy bruising | 422 | 279 (66.1) | 134 (67.3) | 145 (65.0) | .616 | NS |
| Small-wound bleeding | 422 | 145 (34.4) | 67 (33.7) | 78 (35.0) | .777 | NS |
| Oral mucosal bleeding | 422 | 84 (20.0) | 52 (26.1) | 32 (14.3) | .003 | <.05 |
| Gastrointestinal bleeding | 422 | 56 (13.3) | 30 (15.1) | 26 (11.7) | .302 | NS |
| Bleeding after tooth extractions‡ | 370 | 140 (37.8) | 75 (43.9) | 65 (32.6) | .051 | NS |
| Postsurgical bleeding§ | 383 | 232 (60.6) | 115 (61.8) | 117 (59.3) | .171 | NS |
| Menorrhagia|| | 363 | 215 (59.2) | 104 (60.8) | 111 (57.8) | .843 | NS |
| Postpartum bleeding¶ | 229 | 67 (29.3) | 31 (31.3) | 36 (27.7) | .224 | NS |
| Muscle bleeding | 422 | 5 (1.4) | 4 (2) | 2 (0.9) | .427 | NS |
| Joint bleeding | 422 | 7 (1.6) | 3 (1.5) | 4 (1.8) | .999 | NS |
| . | N* . | All patients . | Blood group O . | Blood group non-O . | P† . | BHC . |
|---|---|---|---|---|---|---|
| Epistaxis | 422 | 133 (31.5) | 60 (30.2) | 73 (37.2) | .568 | NS |
| Hematoma/easy bruising | 422 | 279 (66.1) | 134 (67.3) | 145 (65.0) | .616 | NS |
| Small-wound bleeding | 422 | 145 (34.4) | 67 (33.7) | 78 (35.0) | .777 | NS |
| Oral mucosal bleeding | 422 | 84 (20.0) | 52 (26.1) | 32 (14.3) | .003 | <.05 |
| Gastrointestinal bleeding | 422 | 56 (13.3) | 30 (15.1) | 26 (11.7) | .302 | NS |
| Bleeding after tooth extractions‡ | 370 | 140 (37.8) | 75 (43.9) | 65 (32.6) | .051 | NS |
| Postsurgical bleeding§ | 383 | 232 (60.6) | 115 (61.8) | 117 (59.3) | .171 | NS |
| Menorrhagia|| | 363 | 215 (59.2) | 104 (60.8) | 111 (57.8) | .843 | NS |
| Postpartum bleeding¶ | 229 | 67 (29.3) | 31 (31.3) | 36 (27.7) | .224 | NS |
| Muscle bleeding | 422 | 5 (1.4) | 4 (2) | 2 (0.9) | .427 | NS |
| Joint bleeding | 422 | 7 (1.6) | 3 (1.5) | 4 (1.8) | .999 | NS |
Data are number of patients (percentage of total group analyzed).
N, the number of patients with the respective characteristic.
Comparison of categorical variables between groups (blood group O vs non-O) was performed by χ2 test or Fisher’s exact test.
Includes all patients who had tooth extractions.
Includes all patients who underwent surgery.
Includes all women.
Includes all women who gave birth.