Table 1.
The demographical conditions of enrolled patients.
| Characteristics | Patients | |
|---|---|---|
| Sample size | 126 | |
| Age | 9.85±3.24 | |
| Sex | Boy | 87 (69) |
| Girl | 39 (31) | |
| Weight (kg) | 25.1±3 | |
| Height (cm) | 138.24±5.6 | |
| Stone size (mm) | 5–10 | 99 (79) |
| 11–12 | 27 (21) | |
| Position of stone | Dominant side | 58 (46) |
| Non-dominant side | 68 (54) | |
| Stone location in ureter | Lower | 65 (52) |
| Upper | 49 (38) | |
| Middle | 12 (10) | |
| Ethnicity | Chinese | 124 (98) |
| Non-Chinese | 2 (2) | |
| History of ceftriaxone and/or cephalothin treatment | 15 (12) | |
Continuous data were represented as mean ±SD and constant data were represented as a number (percentage).