Fig 1.
Selection of sample of patients with renal colic from Premier cohort.
Table 1.
Characteristics of renal colic patients.
(307,612 subjects).
Table 2.
Hospital characteristics and distribution of patients.
(417 hospitals).
Table 3.
Adjusted associations between patient-level characteristics and CT scan use, admission, and inpatient intervention from hierarchical multivariable models.
Table 4.
Risk-adjusted outcome rates based on the generalized linear regression model by Hospital Characteristics.
Fig 2.
Distribution of risk-adjusted CT rates across hospitals.