Table 1 Description of clusters identified using Two-step cluster analysis.

From: New participant stratification and combination of urinary biomarkers and confounders could improve diagnostic accuracy for overactive bladder

Cluster descriptionCluster 1Cluster 2p value
n3659 
Gender (F/M)20/1641/18nsa
Age, mean (range) (yrs)49 (21–90)b56 (22–93)0.0079c
Urgencyd, median (IQR)0 (0.00–0.00)0.25 (0.25–0.37) ≤0.0001c
Incontinenced, median (IQR)0.0 (0.00–0.00)0.20 (0.00–0.20) ≤0.0001c
Frequencyd, median (IQR)0.33 (0.00–0.33)0.33 (0.33–0.67)0.0048c
Nocturiad, median (IQR)0.00 (0.00–0.25)0.25 (0.00–0.25)0.0115c
  1. n = number of participants in each cluster; ns = not significant; IQR = Interquartile range, 1st quartile-3rd quartile.
  2. aZ-test was used for comparison.
  3. bOne missing age value, n = 35 for cluster 1.
  4. cMann-Whitney test.
  5. dSymptoms scores were range standardised on a 0 to 1 scale.