Table 2. Characteristics of intussusception cases.
| Agea | ||
| 0 (at birth year) | 56 (14.7%) | |
| 1 | 167 (43.7%) | |
| 2 | 82 (21.5%) | |
| 3 | 49 (12.8%) | |
| 4 | 20 (5.2%) | |
| 5 | 8 (2.1%) | |
| Season | ||
| Spring | 90 (23.6%) | |
| Summer | 111 (29.1%) | |
| Autumn | 104 (27.2%) | |
| Winter | 77 (20.2%) | |
| Intervention | ||
| Air reduction | 382 (100.0%) | |
| Surgery | 2 (0.5%) | |
| Admission | 315 (82.5%) | |
| ICU admission | 3 (0.8%) | |
| Six-month mortality | 1 (0.3%) | |
| Whole cost, KRW (IQR) | 375,240 (280,270–512,140) | |
| Length of hospital stay, days (IQR) | 3 (2–4) | |
IQR, interquartile range
a. Age is 0 at birth year and increases by 1 every New Year's Day.