failed to reach significanceP = 0.12
The increase between grades I and II failed to reach significance (P = 0.12). 40 - 30 - x 0) -0 -J CD 20 - 10 - 0- 0 0 0 0 0 0 oo8 8 0a9o ER +ve 00 000 oo 0000 ER -ve Oestrogen receptor status Figure 2 Relation between Ki67 LI and oestrogen receptor (ER) status.