Table 1b.

General demographic characteristics and patient history information from records with stones

CharacteristicNumber of PatientsPercent
Gender
    male10499.0
    female11.0
Race
    white5855.2
    black2120.0
    Hispanic1716.2
    other21.9
    unknown76.7
Prior history of stones6158.1
No prior history of stones4341.0
Undocumented history of prior stones11.0
Number of inpatients at time of ultrasound1312.4
Number of patients with unknown inpatient or outpatient status1514.3