ArticleCanadian Urological Association journal = Journal de l'Association des urologues du Canada2026
Renal pelvis urine density as a predictor of infectious complications after semi-rigid ureterorenoscopy for ureteral stone treatment.
Article in Canadian Urological Association journal = Journal de l'Association des urologues du Canada, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionThis study aimed to investigate whether renal pelvis urine density (RPUD) serves as a reliable predictor of postoperative infectious complications in patients undergoing semi-rigid ureterorenoscopy (URS) for ureteral stone treatment.
methodsWe retrospectively reviewed 1104 patients who underwent semi-rigid URS for ureteral stones. Patients were divided into two groups based on whether they developed postoperative infections within one month (n=64) or not (n=1040). Demographic variables (age, sex, body mass index), comorbidities, stone characteristics (location, size, density), and operative parameters (operation time, stent/catheter placement) were recorded. RPUD was measured in Hounsfield units (HU) on preoperative imaging.
resultsOf the 1104 patients, 64 (5.8%) developed postoperative infections. The median RPUD was significantly higher in the infectious group (10 [5-17] HU) compared to the noninfectious group (4 [2-6] HU; p=0.001). On multivariate analysis, sex (odds ratio [OR] 4.001, 95% confidence interval [CI] 2.231-7.174, p=0.001), body mass index (OR 0.920, 95% CI 0.860-0.984, p=0.015), operative time (OR 0.963, 95% CI 0.932-0.996, p=0.028), and RPUD (OR 0.809, 95% CI 0.771-0.849, p=0.001) were independent predictors of postoperative infection. The area under the curve was 0.784 (95% CI 0.711-0.857, p<0.001), demonstrating good discriminative ability. When a cutoff value of 6.35 was applied, the sensitivity and specificity were 71.9% and 76.9%, respectively, for predicting postoperative infections.
conclusionsHigher RPUD is significantly associated with an increased risk of infectious complications following semi-rigid URS for ureteral stones. Incorporating RPUD into preoperative assessments may help identify high-risk patients and optimize perioperative management to reduce infection-related morbidity.
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.