Research Article
Usefulness of Nonenhanced Computed Tomography for Diagnosing Urolithiasis without Pyuria in the Emergency Department
Table 1
Patient demographics, chief complaints, urine test results, and disposition according to the full record reviews.
| | Characteristic | All | IVU | NECT | value | | ( = 2218) | ( = 1525) | ( = 693) |
| | Age (years) | 43.34 ± 14.16 | 42.37 ± 13.68 | 45.48 ± 14.96 | <0.001 | | Sex (%) | | | | 0.130 | | Male | 1574 (71.0) | 1067 (70.0) | 507 (73.2) | | | Female | 644 (29.0) | 458 (30.0) | 186 (26.8) | | | Chief complaint (%) | | | | | | Flank pain or back pain | 1415 (63.8) | 869 (57.0) | 546 (78.8) | <0.001 | | Abdominal pain | 497 (22.4) | 376 (24.7) | 121 (17.5) | <0.001 | | Hematuria (gross) | 136 (6.1) | 116 (7.6) | 20 (2.9) | <0.001 | | Others | 170 (7.7) | 164 (10.8) | 6 (0.9) | <0.001 | | Hematuria in urine analysis (%) | 1980 (89.3) | 1376 (90.2) | 604 (87.2) | 0.032 | | Disposition | | | | <0.001 | | Admission | 312 (14.1) | 183 (12.0) | 129 (18.6) | | | Discharge | 1906 (85.9) | 1342 (88.0) | 564 (81.4) | |
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