| IgG1 | IgG4 | |||||
| 1 year | 2 years | 5 years | 1 year | 2 years | 5 years | |
| SPT+ (n = 20) | ||||||
| Median (ng/ml) | 2038 (266–11112) | 1899* (598–5687) | 28331 (6444–38550) | 1 | 1 | 1 (1–87.0) |
| Prevalence (%) | 93 | 100 | 100 | 0 | 0 | 25* |
| SPT− (n = 15) | ||||||
| Median (ng/ml) | 4505 (567–35291) | 15145 (4690–72910) | 31547 (16660–128956) | 1 | 1 | 1 |
| Prevalence (%) | 100 | 100 | 100 | 0 | 7.1 | 0 |
SPT, skin prick test.
*p<0.05, between-group (SPT+/SPT−) comparisons.
The interquartile range of IgG1 and IgG4 antibody binding are shown in parentheses.