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Table 2 Demographic and clinical variables of patients in the study groups

From: Prediction of lymphedema occurrence in patients with breast cancer using the optimized combination of ensemble learning algorithm and feature selection

Variable Group
Without lymphedema (n = 230) With lymphedema (n = 740)
N (%) N (%)
Occupation
Housewife 168 (75.7) 573(82)
Employed 54 (24.3) 126 (18)
Education
High school diploma and lower education 131 (58) 499 (70.9)
Higher education 95 (42) 205 (29.1)
Marital status
Single 32 (13.9) 83 (11.4)
Married 192 (83.5) 616 (84.7)
Divorced 4 (1.7) 22 (3)
Widow 2 (0.9) 6 (0.8)
Type of surgery
Mastectomy 120 (52.2) 496 (67.9)
Breast preservation 110 (47.8) 235 (32.1)
  Mean (± SD) Mean (± SD)
Age 48 (10.75) 50.19 (11.12)
BMI 27.36 (5.1) 28.95 (5.14)
Duration of lymphedema (months) 7.61 (15.97) 22.28 (40.41)
Number of removed lymph nodes 11.44 (6.15) 11.99 (6.04)
Number of involved lymph nodes 2.05 (3.85) 4.09 (5.39)