A MULTICENTER EVALUATION OF TECHNICAL PREFERENCES FOR PRIMARY HYPOSPADIAS REPAIR
Why this work is in the frame
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Bibliographic record
Abstract
PURPOSE: Considerable controversy exists regarding the optimal surgical technique for the repair of mid shaft and proximal hypospadias. We sought to evaluate differences in surgical preferences among an international cohort of pediatric urologists. MATERIALS AND METHODS: An anonymous questionnaire containing relevant demographic data as well as choices of technique to repair 5 representative hypospadias cases was developed and administered. RESULTS: Of 121 pediatric urologists contacted 101 completed the survey, representing an 83% response rate. The majority were full-time academic pediatric urologists who performed 6 to 10 hypospadias surgeries monthly. A total of 92 respondents (confidence interval [CI) 0.84 to 0.96) preferred the tubularized incised urethral plate (TIP) technique for the repair of distal hypospadias. Similarly, 82 (CI 0.72 to 0.88) preferred TIP for the repair of mid shaft hypospadias. The 2 most common techniques for repair of proximal hypospadias without chordee, preferred by 43 correspondents each (CI 0.33 to 0.53), were TIP and transverse island flap (TVIF) onlay. For repair of moderate (30-degree to 40-degree) chordee dorsal plication was preferred by 82 respondents, while a ventral approach was preferred by 12. When moderate chordee was associated TVIF onlay was preferred by 35 (CI 0.26 to 0.45) and TIP by 24 respondents (CI 0.16 to 0.34). For severe chordee (greater than 50 degrees) 31 respondents preferred dorsal plication, while 68 chose some form of ventral repair. Among the respondents 37 approach proximal hypospadias associated with severe chordee using a staged procedure, while 40 use a single stage procedure using a TVIF tube (CI 0.30 to 0.50). Using Spearman's rank correlation coefficient, no significant correlations were identified between respondent practice demographics and choice of repair for each hypothetical hypospadias case. CONCLUSIONS: In this cohort of pediatric urologists we observed that the majority prefers TIP to repair distal and mid shaft hypospadiac defects. Significant variability exists for preferred technique for proximal hypospadias and chordee correction. These results support the need for prospective trials comparing techniques for the repair of proximal hypospadias.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it