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Table 1 The clinicopathologic characteristics of the training and validation sets

From: Nomogram for individually predicting overall survival in rectal neuroendocrine tumours

Variable Training Set
(n = 310)
Validation Set
(n = 547)
No. of patients % No. of patients %
Median age (years) 49.1 ± 13.6   58.7 ± 13.1  
Sex
 Male 195 62.9 276 50.5
 Female 115 37.1 271 49.5
Surgical treatment
 Endoscopic resection 139 44.8
 Transanal excision 50 16.1
 Radical resection 89 28.7
 No surgical treatment 33 10.6
Tumour Size (cm)
< 2 250 80.6 286 52.3
2–4 28 9.0 98 17.9
> 4 32 10.3 163 29.8
G classification
 G1 235 75.8 226 41.3
 G2 45 14.5 59 10.8
 G3 30 9.7 262 47.9
T Staging
 T1 231 74.5 303 55.2
 T2 38 12.3 81 14.8
 T3 31 10.0 100 18.3
 T4 10 3.2 64 11.7
N Staging
 N0 264 85.2 353 64.7
 N1 46 14.8 194 35.3
M Staging
 M0 277 89.4 423 77.3
 M1 33 10.6 124 22.7
TNM Staging
I 220 71.0 267 48.8
II 31 10.0 48 8.8
III 26 8.4 108 19.7
IV 33 10.6 124 22.7
  1. TNM Tumour node metastasis