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Table 2 Comparison of HIT-6 score before and after closure

From: Patent foramen ovale closure by using transesophageal echocardiography for cryptogenic stroke: single center experience in 132 consecutive patients

Time HIT-6 t P
Preoperative 59.51 ± 4.52   
3 months 53.05 ± 6.05 9.012 < 0.05
6 months 51.09 ± 6.38 10.176 < 0.05
12 months 49.96 ± 7.13 9.948 < 0.05
  1. HIT-6 Headache Impact Test-6, : P < 0.05 compared with the preoperative value.