Biswas Krishnendu, Gupta Shailendra Kumar, Ganpule Arvind P, Patil Abhijit, Sabnis Ravindra B, Desai Mahesh R
Muljibhai Patel Urological Hospital Nadiad, Gujarat.
Am J Clin Exp Urol. 2020 Dec 15;8(6):177-184. eCollection 2020.
To establish face, content and construct validity of an innovative fruit-tissue (apple) based transurethral resection of prostate (TURP) training model devised at our institute.
Six consultants, three fellows and 16 residents performed TURP on the new fruit-tissue (apple) based TURP model for ten minutes after watching a demo-video. The procedure was videographed. At the end, participants answered a set of questionnaires regarding their experience. The video and the apple both were examined by blinded separate assessors based on pre-decided parameters. Statistical analysis was done to find out the face, content and construct validity of the training model.
Participants were divided into two groups, expert and novice, based TURP surgery experience. The model was positively rated (lowest median value 4) by all novice for its 'realism' and 'acceptability'. The expert group also felt that the model reproduced real TURP experience (lowest median value 4). Thus, both face and content validity were established. The expert group resected more tissue (18.3±2.5 gm vs 10.3±3.4 gm; P<0.001) with less irrigation fluid (1566.6±187.0 ml vs 2112.5±344.2 ml; P<0.001) removing more chips (39.8±6.2 vs 25.6±3.0; P<0.001) and orientated themselves faster (63.3±12.2 sec vs 90.3±12.7 sec; P<0.001). The assessors' subjective evaluation of videos and apples both favored the experts. The model can differentiate 'expert' from 'novice', thus establishing 'construct validity'.
The new fruit-tissue (apple) based TURP model is a realistic and acceptable TRUP training model with proven face, content and construct validity.
验证我院设计的一种基于水果组织（苹果）的经尿道前列腺切除术（TURP）创新训练模型的表面效度、内容效度和结构效度。
6名顾问医生、3名住院医师和16名住院实习医生在观看演示视频后，在基于水果组织（苹果）的新型TURP模型上进行了10分钟的TURP操作。手术过程进行了录像。最后，参与者回答了一系列关于他们体验的问卷。视频和苹果均由独立的盲法评估者根据预先确定的参数进行检查。进行统计分析以确定训练模型的表面效度、内容效度和结构效度。
根据TURP手术经验，参与者被分为两组，即专家组和新手组。所有新手对该模型的“逼真度”和“可接受性”给予了积极评价（最低中位数为4）。专家组也认为该模型再现了真实的TURP体验（最低中位数为4）。因此，表面效度和内容效度均得到了验证。专家组切除的组织更多（18.3±2.5克对10.3±3.4克；P<0.001），冲洗液更少（1566.6±187.0毫升对2112.5±344.2毫升；P<0.001），取出的碎片更多（39.8±6.2对25.6±3.0；P<0.001），并且定位更快（63.3±12.2秒对90.3±12.7秒；P<0.001）。评估者对视频和苹果的主观评价均有利于专家。该模型能够区分“专家”和“新手”，从而确立了“结构效度”。
新型基于水果组织（苹果）的TURP模型是一种逼真且可接受的TURP训练模型，已证实具有表面效度、内容效度和结构效度。
