Table 2.

Prevalence of ureteral stone and important alternative diagnoses compared with physician gestalt in this validation cohort and in the original validation study.

Risk Score	Frequency (% of Cohort)	Prevalence (%) [95% CI]
		Ureteral Stone	Alternate Diagnosis
STONE score in this validation cohort
High	242/845 (28.6)	176/242 (72.7) [66.7–78.2]	3/242 (1.2) [0.3–3.6]
Moderate	395/845 (46.7)	127/395 (32.2) [27.6–37.0]	30/395 (7.6) [5.2–10.7]
Low	208/845 (24.6)	28/208 (13.5) [9.1–18.9]	12/208 (5.8) [3.0–10.0]
Physician gestalt in this validation cohort, %
76–100	356/809 (44.0)	194/356 (54.5) [49.2–59.8]	10/356 (2.8) [1.4–5.1]
51–75	199/809 (24.6)	74/199 (37.2) [30.5–44.3]	9/199 (4.5) [2.1–8.4]
26–50	136/809 (16.8)	26/136 (19.1) [12.9–26.7]	12/136 (8.8) [4.6–14.9]
0–25	118/809 (14.6)	20/118 (17.0) [10.7–25.0]	9/118 (7.6) [3.5–14.0]
STONE score in the original validation study
High	185/491 (37.7)	164/185 (88.6) [83.1–92.8]	1.6
Moderate	230/491 (46.8)	118/230 (51.3) [44.6–57.9]	*
Low	76/491 (15.5)	7/76 (9.2) [3.8–18.0]	*

^*Information not available.