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Table 2 Centroid values from the unsupervised cluster analysis used to validate the dataset

From: Factors affecting the growth of infants diagnosed with cystic fibrosis by newborn screening

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
  1. All data presented as mean apart from genotype which indicates the most prevalent mutation