Table 5. Hemorrhage condition between the experimental group and verification group with the comparison between actual and predicted incidence of hemorrhage.
| Risk gradation | Score | CNEG (n, %) | IEG (n, %) | CNVG (n, %) | IVG (n, %) | P value |
|---|---|---|---|---|---|---|
| Low-risk | 1277 (95.2%) | 25 (2.0%) | 434 (97.1%) | 9 (2.1%) | 0.881 | |
| 0 | 486 (34.9%) | 3 (0.6%) | 142 (31.8%) | 1 (0.7%) | ||
| 1 | 568 (42.3%) | 11 (1.9%) | 201 (45.0%) | 3 (1.5%) | ||
| 2 | 223 (16.6%) | 11 (4.9%) | 91 (20.4%) | 5 (5.5%) | ||
| High-risk | 65(4.8%) | 9(13.8%) | 13(2.9%) | 3(23.1%) | 0.400 | |
| 3 | 55 (4.1%) | 6 (10.9%) | 11 (2.5%) | 2 (18.2%) | ||
| 4 | 7 (0.5%) | 1 (14.3%) | 2 (0.4%) | 1 (50.0%) | ||
| 5 | 3 (0.2%) | 2 (66.7%) | 0 | / |
CNEG: Case number of experimental group; IEG: Incidence in experimental group.
CNVG: Case number of verification group; IVG: Incidence in verification group.