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Table 1 Summary of clinical data of all 120 patients

From: Assessment of copy number variations in 120 patients with Poland syndrome

Clinical feature Total patients 120
Gender
 Females 44
 Males 76
Pectoralis major muscle features
 Agenesis 51
 Hypoplasia 69
 Right-sided 71
  Males 44
  Females 27
 Left-sided 49
  Males 33
  Females 16
 Isolated form 42
 With associated anomalies 78
Associated anomalies
 Pectus excavatum/carinatum 21
 Rib anomalies 10
 Clavicle defects 1
 Vertebral defects 1
 Craniosynostosis 1
 Upper limb anomalies 57
 Classic brachysyndactyly 24
 Hypoplasia of upper limb and/or hand 28
Cerebellar malformations and intellectual disabilities 1
Poland-Möbius syndrome 1