Table 2.
Centroid values from the unsupervised cluster analysis used to validate the dataset
| Variable | Cluster 1 (members: 113) | Cluster 2 (members: 16) |
|---|---|---|
| Birth weight z score | −0.42 | −0.72 |
| Change in weight z score from birth to first clinic visit | 0.00 | 0.01 |
| Faecal Elastase | 15 | 466 |
| Sweat chloride | 99 | 46.5 |
| Immunoreactive trypsinogen | 172 | 85.5 |
| CFTR Mutation 1 | Phe508del | Phe508del |
| CFTR Mutation 2 | Phe508del | Arg117His |
| Gestation | 39 | 39.5 |
| Mean length z score in year 1 | −0.68 | −0.14 |
| Mean length z score in year 2 | −0.24 | − 0.12 |
| Mean weight z score in year 1 | −0.67 | − 0.04 |
| Mean weight z score in year 2 | 0.18 | 0.19 |
All data presented as mean apart from genotype which indicates the most prevalent mutation