Table 2 Incidence of DVT in anemia and non-anemia groups before and after PSM matching
DVT | Non-anemia | Severity of anemia | Total | |||
|---|---|---|---|---|---|---|
Mild | Moderate | Severe | ||||
Before PSM | 1502 (87) | 562 (37) | 284 (39) | 26 (7) | 2461 (170) | 6.91% |
After PSM | 835 (42) | 546 (35) | 266 (34) | 23 (7) | 1670 (118) | 7.07% |