Skip to main content

Table 1 Baseline characteristics

From: Prognostic value of estrogen receptor-α and progesterone receptor in curatively resected colorectal cancer: a retrospective analysis with independent validations

 

Training set

Internal validation set

External validation set

Number of patients

148

485

511

Patient demographics

 Median age (min-max)

58 (16–89)

59 (16–86)

68 (31–90)

 Male (number, %)

91 (61.5%)

290 (59.8%)

270 (52.8%)

Localization

 Colon

77 (52.0%)

221(45.6%)

379 (74.2%)

 Rectum

71 (48.0%)

264 (54.4%)

132 (25.8%)

Stage

 Stage I

22 (14.9%)

99 (20.4%)

106 (20.7%)

 Stage II

64 (43.2%)

178 (36.7%)

224 (43.8%)

 Stage III

62 (41.9%)

208 (42.9%)

181 (35.4%)

ER-α expression

 High (number, %)

19 (12.8%)

78 (16.1%)

158 (30.9%)

 Low (number, %)

129 (87.2%)

407 (83.9%)

353 (69.1%)

PR expression

 High (number, %)

32 (21.6%)

  

 Low (number, %)

116 (78.4%)

  
  1. Baseline characteristics of the two cohorts regarding demography (age and gender), tumor features (stage and localization), ER-α expression and PR expression (just in training set)
  2. Abbreviations: ER-α estrogen receptor –α, PR progesterone receptor