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Table 4 Relationships between range-of-motion restriction and the other variables

From: Morbidity after conventional dissection of axillary lymph nodes in breast cancer patients

Patient subgroups Range-of-motion restriction P valuea
  Yes No  
Mean age (years) 54 ± 12 53 ± 11 0.96
Surgery -evaluation interval (months) 35 ± 20 35 ± 17 0.75
Surgery    0.12
  Mastectomy 12 (25) 23 (15.1)  
  Conservative surgery 36 (75) 129 (84.9)  
ALND incision    0.02
  The same as the breast’s 36 (75) 86 (56.6)  
  Separate 12 (25) 66 (43.4)  
Surgery in the dominant arm    0.6
  Yes 24 (50) 70 (46.1)  
  No 24 (50) 82 (53.9)  
Axilla status    0.74
  Positive 26 (54.2) 77 (50.6)  
  Negative 22 (45.8) 75 (49.4)  
Positive axilla (103): number of positive lymph nodes 7 ± 6 4 ± 4 0.1
Dissected lymph nodes 14 ± 5 14 ± 4 0.89
Postoperative seroma    0.78
  Yes 4 (8.3) 16 (10.5)  
  No 44 (91.7) 136 (89.5)  
  1. aFisher’s exact test for binary nominal variables and the Mann-Whitney test for continuous numeric variables.
  2. ALND: axillary lymph node dissection.