Table 4 The effect of pneumatic therapy on thrombosis in different risk levels.
From: Analysis on the causes of unsatisfactory prevention effect of postpartum VTE in Chinese women
Pneumatic | 1 (Low risk) | 2 (Medium risk) | ≥ 3 (High risk) | χ2 | P | |||
|---|---|---|---|---|---|---|---|---|
Total | VTE | Total | VTE | Total | VTE | |||
Total | 195 | 54 (27.7%) | 270 | 58 (21.5%) | 99 | 29 (29.3%) | ||
None | 86 | 12 (14%) | 46 | 12 (26.1%) | 23 | 10 (43.5%)* | 9.896 | 0.007 |
Pneumatic | 109 | 42 (38.5%)* | 224 | 46 (20.5%) | 76 | 19 (24.7%) | 12.412 | 0.002 |
