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Table 2 The number of patients in whom DVT was detected and not detected on US performed in different postoperative days

From: Does intraoperative mechanical prophylaxis prevent venous thromboembolism in total knee arthroplasty? – effectiveness of passive-assisted ankle motion in surgical/non-surgical side

Postoperative day DVT
Present Absent
2 5 1
3 23 19
4 1 2
5 4 3
6 6 9
7 3 1
  1. Note: No significant association between the DVT examination day and its detection rate (chi-square = 4.525, P = 0.48, Cramer’s V = 0.24)