Table 1.
Patient and hospital characteristics of pediatric urolithiasis encounters
| No. KID (%) | No. NEDS (%) | |
|---|---|---|
| Overall | 7,348 | 33,038 |
| Age category (yrs): | ||
| Infant + toddler (0–2) | 407 (5.5) | 314 (1.0) |
| Preschool (3–5) | 181 (2.5) | 254 (0.8) |
| School (6–12) | 1,450 (19.7) | 3,729 (11.3) |
| Adolescent (13–18) | 5,272 (71.7) | 28,740 (87.0) |
| Male | 2,361 (32.1) | 11,871 (36.0) |
| Female | 4,938 (67.2) | 21,138 (64.0) |
| Discharge quarter: | ||
| January–March | 1,806 (24.6) | 7,739 (23.4) |
| April–June | 1,904 (25.9) | 7,971 (24.1) |
| July–September | 1,881 (25.6) | 9,281 (28.1) |
| October–December | 1,753 (23.9) | 8,033 (24.3) |
| Insurance: | ||
| Public | 2,867 (39.0) | 9,961 (30.2) |
| Private | 3,888 (52.9) | 18,886 (57.2) |
| Other | 586 (8.0) | 4,129 (12.5) |
| ZIP Code income quartile: | ||
| 1 | 2,016 (27.4) | 8,668 (26.2) |
| 2 | 1,906 (25.9) | 9,383 (28.4) |
| 3 | 1,660 (22.6) | 7,701 (23.3) |
| 4 | 1,591 (21.7) | 6,621 (20.0) |
| Surgery type: | ||
| Ureteral stent placement | 1,496 (66.8) | 1,003 (78.5) |
| Extracorporeal shock wave lithotripsy | 121 (5.4) | 74 (5.8) |
| URS | 324 (14.5) | 156 (12.2) |
| PCNL | 299 (13.3) | 44 (3.4) |
| Hospital region: | ||
| Northeast | 1,327 (18.1) | 5,174 (15.7) |
| Midwest | 1,847 (25.1) | 7,646 (23.1) |
| South | 2,899 (39.5) | 14,654 (44.4) |
| West | 1,275 (17.4) | 5,563 (16.8) |