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Table 6 The 31/69 mixture calibration example.

From: Effective radiation attenuation calibration for breast density: compression thickness influences and correction

31/69 calibration
ts/t (cm) 5.5/6.0 4.5/5.0 4.0/4.5 3.5/4.0 3.0/3.6 2.5/3.2
Compression
force (dN)
0.0 3.0 4.0 6.0 9.0 13.0
PG (10%) 32.6 (2.2) 33.6(1.0) 34.9 (1.0) 34.6(1.3) 34.2 (1.6) 36.3 (2.0)
PGs (68%) 43.6(2.2) 48.0(1.0) 50.8(1.0) 52.6(1.3) 55.3(1.5) 61.8(1.8)
PGs+5 (19%) 31.8(2.1) 34.5(0.9) 36.4(0.9) 37.1(1.1) 38.5 (1.4) 43.8 (1.7)
  1. Quantities were derived from the outlined region shown in Figure 11 (right) using a similar format (see Table 5).