Group | Low Power | Standard Power | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
R1 | R3 | R6 | R8 | Mean (SD) | R2 | R4 | R5 | R7 | Mean (SD) | p | |
Mean application time, s | 2.5 | 1.46 | 2.5 | 1.75 | 2.05 (0.53) | 1.2 | 1.09 | 1.52 | 1.53 | 1.34 (0.22) | 0.112 |
Min application time, s | 0.3 | 0.1 | 0.4 | 0.5 | 0.33 (0.17) | 0.1 | 0.4 | 0.4 | 0.2 | 0.28 (0.15) | 0.773 |
Max application time, s | 11.5 | 7.9 | 9.8 | 9.6 | 9.7 (1.5) | 4.1 | 3.4 | 6.8 | 5.8 | 5.03 (1.55) | 0.03 |
Application duration > 3 s, % | n/d* | 6,3% | 25% | 6,8% | 12.7 (10.7) | 3% | 1,2% | 11,8% | 10,3% | 6.6 (5.3) | 0.595 |
Cecum T max, °C | 58.9 | 55.3 | 59.1 | 48.4 | 55.4 (4.9) | 61.3 | 57.2 | 48.8 | 56.1 | 55.9 (5.2) | 0.885 |
Mesoappendix T max °C | 152.4 | 146 | 160.4 | 157.2 | 154 (6.3) | 160.6 | 156.4 | 160.8 | 160.5 | 159.6 (2.1) | 0.112 |
T ≥ 42° duration on cecuma, s | 42 | n/db | 13.4 | 15.5 | 23.6 (15.9) | 24 | 14 | 12 | 13 | 15.8 (5.6) | 0.377 |
Lateral thermal spreada, mm | 8 | n/db | 4.6 | 4.48 | 5.7 (1.9) | 5.6 | 5.6 | 6 | 9.3 | 6.6 (1.8) | 0.372 |
Lateral thermal spread on mesoappendixa, mm | 28 | 24 | 27.6 | 20.4 | 25 (3.6) | 33 | 18.4 | 20.4 | 32.4 | 26.1 (7.7) | 0.886 |
Lateral thermal spread on intestinal loop, mm | 1.8 | 1.6 | 2.5 | 3.3 | 2.3 (0.8) | 1.4 | 1.6 | 3 | 6 | 3 (2.1) | 0.886 |
Complication | no | no | Intestinal wall full thickness necrosis | Intestinal perforation | 2/4 | no | no | Intestinal perforation | Intestinal perforation | 2/4 |