Table 2.
Pre-test | Post-test | Retention | Pre-test–post-test | Post-test–retention | |
---|---|---|---|---|---|
Mean (min–max) | Mean (min–max) | Mean (min–max) | P value* | P value* | |
Sharp dissection | |||||
Dominant instrument time (s) | |||||
Group C | 390 (217–644) | 197 (125–293) | 183 (124–341) | ns | ns |
Group T | 385 (182–697) | 215 (106–468) | 224 (94–414) | ns | ns |
Dominant instrument path (mm) | |||||
Group C | 660 (333–1,146) | 417 (246–631) | 383 (252–508) | 0.028 | ns |
Group T | 686 (224–1,078) | 486 (196–927) | 441 (196–641) | 0.016 | ns |
Object positioning | |||||
Dominant instrument time (s) | |||||
Group C | 186 (137–266) | 165 (95–302) | 116 (72–152) | ns | ns |
Group T | 275 (113–493) | 163 (112–293) | 148 (91–213) | 0.013 | ns |
Dominant instrument path (mm) | |||||
Group C | 506 (294–1,373) | 683 (247–3,588) | 344 (207–714) | ns | ns |
Group T | 596 (285–951) | 432 (256–864) | 399 (288–532) | 0.041 | ns |
ns Not significant
* Within-group analysis, Wilcoxon signed rank