Table E4.
Clinical characteristics of peanut-sensitized patients by clusters determined by using k-means clustering
| Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 | Cluster 5 | |
|---|---|---|---|---|---|
| No. | 16 | 6 | 8 | 6 | 6 |
| Age (y) | 13.8 (11.4-22.8) | 13.3 (12.0-14.8) | 12.0 (9.0-17.7) | 16.3 (13.4-24.8) | 12.1 (11-13.8) |
| Male sex (%) | 69 | 66 | 88 | 17 | 17 |
| SPT response to peanut (mm) | 7 (6-8) | 10 (6-13) | 8 (7-11) | 13 (10-20) | 11 (6-12) |
| IgE to peanut (kUA/L) | 0.62 (0.32-2.4) | 4.6 (2.6-7.5) | 26.2 (12.8-34) | 72.1 (42.6-95.7) | >100 (85 to >100) |
| IgE to Ara h 2 (kUA/L) | 0.29 (0.21-0.87) | 2.6 (0.9-3.8) | 13.0 (8.8-19.3) | 67.1 (26.5-95.3) | >100 (84 to >100) |
| Reaction severity at DBPCFC | |||||
| No reaction | 75% | 0% | 0% | 0% | 0% |
| Mueller grade 1 | 6% | 50% | 0% | 0% | 33% |
| Mueller grade 2 | 0% | 17% | 63% | 33% | 17% |
| Mueller grade 3 | 19% | 33% | 37% | 67% | 50% |
| Eliciting dose at DBPCFC (peanut protein [g]) | 4.3 (4.3-8.4) | 0.94 (0.44-1.9) | 0.14 (0.043-0.29) | 0.14 (0.066-0.14) | 0.043 (0.043-0.12) |
Data are expressed as medians (interquartile ranges).