Table 2 Fitting curves of CT number of the lowest density areas of each group over time.
Variables | Saline | T25 | T50 | T75 | T100 |
---|---|---|---|---|---|
Model | ExpAssoc | Log3P1 | Log3P1 | Log3P1 | Log3P1 |
Equation | y = y0 + A1*(1–exp(− x/t1)) + A2*(1–exp(− x/t2)) | y = a–b*ln(x + c) | y = a–b*ln(x + c) | y = a–b*ln(x + c) | y = a–b*ln(x + c) |
y0 / a | − 847.62484 ± 10.52168 | − 562.0078 ± 316.02167 | − 535.16267 ± 201.88272 | − 587.67282 ± 194.96256 | − 589.09241 ± 190.70632 |
A1 / b | 568.85164 ± 12.95004 | − 102.90716 ± 59.15695 | − 67.07945 ± 37.79097 | − 64.21223 ± 36.49557 | − 62.94436 ± 35.69883 |
t1 / c | 0.87731 ± 0.06001 | 0 ± 2.97323 | 0 ± 2.91385 | 0 ± 2.93962 | 0 ± 2.93336 |
A2 | 383.82868 ± 7.36488 | ||||
t2 | 60.75528 ± 1.92106 | ||||
Reduced Chi-Sqr | 442.86378 | 889,026.8213 | 362,810.1617 | 338,363.5422 | 323,751.1327 |
R2 (COD) | 0.9787 | 0.93938 | 0.79579 | 0.78619 | 0.81884 |
Adjusted R2 | 0.97842 | 0.93898 | 0.79445 | 0.78479 | 0.81765 |