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Table 2 The relationship between lysophosphatidic acid receptor 2 (LPA2) expression and clinical/pathological factor

From: Over-expression of lysophosphatidic acid receptor-2 in human invasive ductal carcinoma

LPA2 expression Low (36) High (48) P
Age (years)
   <50 20 (56%) 16 (33%) 0.042
   ≥50 16 (44%) 32 (67%)  
Tumour size
   T1 (≤2.0 cm) 16 (44%) 17 (35%) NS
   T2 (>2.0 cm to ≤5.0 cm) 18 (50%) 25 (52%)  
   T3 (>5.0 cm) 2 (6%) 6 (13%)  
Nuclear grade
   I 5 (14%) 5 (10%) NS
   II 24 (67%) 31 (65%)  
   III 7 (19%) 12 (25%)  
Menopausal status
   Premenopausal 21 (58%) 17 (35%) 0.037
   Postmenopausal 15 (42%) 31 (65%)  
Oestrogen receptor status
   Negative 10 (55%) 27 (56%) NS
   Positive 8 (45%) 21 (44%)  
Nodal metastasis
   Negative 12 (33%) 21 (44%) NS
   Positive 24 (67%) 27 (56%)  
Distant metastasis
   Negative 27 (75%) 41 (85%) NS
   Positive 9 (25%) 7 (15%)  
  1. Numbers in parentheses indicate percentages in the same expression pattern. NS, not significant.