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. Author manuscript; available in PMC: 2021 Feb 1.
Published in final edited form as: Urolithiasis. 2019 Mar 21;48(1):37–46. doi: 10.1007/s00240-019-01129-x

Table 1.

Characteristics of Patients who Presented to Emergency Rooms with Kidney Stones, South Carolina, 1997-2015 (N=132,597)

Characteristics N (%)
Sex Male 81,241 (61.3)
Female 51,356 (38.7)
Age category <20 years 6,453 (4.9)
20-45 64,999 (49)
45-65 44,960 (33.9)
>65 years 16,185 (12.2)
Payer category Public 32,983 (24.9)
Private 72,590 (54.7)
Other 27,024 (20.4)
Race White 112,196 (84.6)
African-American 17,423 (13.1)
Other 2,978 (2.2)
Climatic area Warm 48,743 (36.8)
Cold 83,851 (63.2)