Method of formation of square reef knot | No of knots tied | No and proportion (%) of knots that slipped on testing | Mean length of slippage, mm and proportional degree of slippage, (%), recorded for knot method | 95% lower CI, mm (%) | 95% upper CI, mm (%) | Median length of slippage mm |
Flat reef knot | 120 | 24 (20) | 1.2 (6.3) | 0.5 (2.2) | 2.0 (10.4) | 0.0 |
No hand crossing knot | 120 | 120 (100) | 18.5 (113.0) | 15.5 (94.3) | 21.5 (131.0) | 11.9 |
Knot tied under tension | 120 | 120 (100) | 50.6 (312.0) | 45.9 (280.0) | 55.4 (344.0) | 51.5 |