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. 2021 Oct 29;8:720401. doi: 10.3389/fmed.2021.720401

Table 4.

Diagnostic values of both tubes by HSG vs. laparoscopy.

Laparoscopy
Normal Abnormal Total
HSG Normal* 143 21 164
Abnormal# 3 477 480
Total 146 498 644
*

Normal was defined as patency with the HSG assessment or the laparoscopy assessment.

#

Abnormal was defined as occlusion with the HSG assessment, or occlusion of single or both tubes, or pelvic adhesion with the laparoscopy assessment.