Table 2: Correlation of sLex expression with biological features of the tumours.
| Morphological and clinical features | sLex negativea n (%) | sLex positive n (%) | p value |
|---|---|---|---|
| Estrogen receptor | |||
| positive | 160 (59.5) | 109 (40.5) | <0.001b |
| negative | 27 (35.5) | 49 (65.5) | |
| Lymph node involvement | |||
| negative | 98 (61.6) | 61 (38.4) | <0.01b |
| positive | 84 (47.2) | 94 (52.8) | |
| Grade | |||
| G1 | 40 (62.5) | 24 (37.5) | <0.001c |
| G2 | 78 (63.4) | 45 (36.4) | |
| G3 | 51 (38.9) | 80 (61.1) | |
| Tumour size | |||
| <2cm | 58 (60.4) | 38 (39.6) | 0.231b |
| >2cm | 137 (53.1) | 121 (46.9) | |
| Age at diagnosis | |||
| <50years | 44 (47.8) | 48 (52.1) | 0.219c |
| 50-70 years | 81 (58.7) | 57 (41.3) | |
| >70years | 36 (50.0) | 36 (50.0) | |
| Distant metastasis | |||
| negative | 145 (75.5) | 47 (24.5) | 0.334b |
| positive | 113 (70.6) | 47 (29.4) | |
a
Based on cut-off score of 2.5 as detailed in material and methods section.
b
Correlation calculated using Fisher’s exact test on Prism5 software.
c
Correlation calculated using Chi-square test on Prism5 software.