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Table 3 Relationships between paresthesia and the other variables

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

Patient subgroups Paresthesia P valuea
  Yes No  
Mean age (years) 58 ± 11 49 ± 10 <0.0001
Surgery -evaluation interval (months) 34 ± 18 36 ± 18 0.32
Surgery    1
  Mastectomy 19 (17.9) 16 (17)  
  Conservative surgery 87 (82.1) 78 (83)  
ALND incision    0.56
  The same as the breast’s 67 (63.2) 55 (58.5)  
  Separate 39 (36.8) 39 (41.5)  
Surgery in the dominant arm    1
  Yes 50 (47.2) 44 (46.8)  
  No 56 (52.8) 50 (53.2)  
Axilla status    0.25
  Positive 59 (55.7) 44 (46.8)  
  Negative 47 (44.3) 50 (53.2)  
Positive axilla (103): number of positive lymph nodes 3 ± 5 4 ± 5 0.17
Dissected lymph nodes 15 ± 4 13 ± 4 0.002
Postoperative seroma    0.63
  Yes 12 (11.3) 8 (8.5)  
  No 94 (88.7) 86 (91.5)  
  1. aFisher’s exact test for binary nominal variables and the Mann-Whitney test for continuous numeric variables.
  2. ALND: axillary lymph node dissection.