Skip to main content
. 2021 Mar 15;11:5892. doi: 10.1038/s41598-021-85353-9

Table 2.

Comparison of the percentage of grey value reduction between PCR and non-PCR groups.

PCR (n = 32) non-PCR (n = 79) t P
CC view grey value before chemotherapy 123.97 ± 38.81 132.40 ± 37.48  − 1.063 0.290

After two cycles

of chemotherapy

73.48 ± 9.72 105.43 ± 34.01  − 5.216  < 0.001
Reduction percentage (%) 36.53 ± 17.54 19.63 ± 13.64 5.430  < 0.001

MLO view grey value

before chemotherapy

116.71 ± 27.98 129.87 ± 34.40  − 1.920 0.057

After two cycles

of chemotherapy

80.70 ± 17.25 106.59 ± 32.33  − 4.282  < 0.001
Reduction percentage (%) 28.90 ± 14.23 17.01 ± 14.46 3.942  < 0.001