Table 5

Number of knots tied using each knot technique that slipped and broke and slipped completely, and number and proportion that broke on testing

Method of formation of square reef knotTotal no of knots formed that slippedNo of knots that slipped and then brokeNo of knots that slipped completely without any suture breakageProportion of knots formed that broke and did not slip completely95% lower CI of proportion95% upper CI of proportion
Flat reef knot242310.990.981.00
No hand-crossing knot12098220.820.750.89
Knot tied under tension12067530.560.470.65