Table 2 Evaluation of surgical skills and VAS grades for anatomical identification of the middle inner ear before and after the otoendoscopy training (points; mean ± standard deviation)

From: Application and practice of a step-by-step method combined with case-based learning in Chinese otoendoscopy education

Items Group A(n = 28) Group B(n = 31) P value
Overall proficiency in using otoendoscope
 Before 4.1 ± 0.4 4.3 ± 0.5 0.09
 After 9.2 ± 0.5 6.9 ± 0.6 < 0.01
Proficiency in using otoendoscope
 Before 3.7 ± 0.4 3.3 ± 0.5 0.78
 After 8.8 ± 0.5 6.8 ± 0.5 < 0.01
Proficiency in otoendoscopic surgery
 Before 4.8 ± 0.4 4.7 ± 0.5 0.40
 After 8.4 ± 0.6 6.6 ± 0.5 < 0.001
Proficiency with middle ear structure
 Before 3.6 ± 0.4 3.7 ± 0.5 0.40
 After 8.3 ± 0.6 6.8 ± 0.4 0.01
Proficiency with auditory ossicles structure
 Before 5.1 ± 0.5 4.9 ± 0.6 0.17
 After 8.5 ± 0.4 7.3 ± 0.4 < 0.001
Proficiency with vestibular and round windows structure    
 Before 4.5 ± 0.6 4.3 ± 0.4 0.13
 After 8.6 ± 0.5 7.5 ± 0.5 < 0.01
Proficiency with horizontal segments of tympanic nerve and facial nerve
 Before 4.1 ± 0.6 4.3 ± 0.4 0.13
 After 9.3 ± 0.7 7.8 ± 0.5 < 0.001
Proficiency with inferior tympanic and eustachian tube tympanic mouth
 Before 4.3 ± 0.5 4.6 ± 0.6 0.43
 After 8.9 ± 0.5 7.5 ± 0.5 < 0.001
Proficiency with tympanic sinus and facial nerve crypt
 Before 2.2 ± 0.5 2.4 ± 0.5 0.13
 After 6.7 ± 0.4 5.4 ± 0.4 < 0.001