Table 1.
Model | Coefficient | Goodness-of-fit | Dose reduction | |||||||
---|---|---|---|---|---|---|---|---|---|---|
logCTDI | id2 | id4 | AIC | Pseudo R2 | id2 | id4 | ||||
Est. | P-value | Est. | P-value | Est. | P-value | |||||
regressa | 1.459 | <0.001 | 0.158 | <0.001 | 0.208 | <0.001 | - | 0.4160 | 10.29 % | 13.31 % |
(1.244, 1.674) | (0.082, 0.234) | (0.132, 0.284) | (6.14 %, 14.43 %) | (9.37 %, 17.24 %) | ||||||
ologita | 8.825 | <0.001 | 0.966 | <0.001 | 1.271 | <0.001 | 1124.35 | 0.4172 | 10.37 % | 13.41 % |
(7.354, 10.295) | (0.512, 1.419) | (0.812, 1.730) | (6.35 %, 14.39 %) | (9.60 %, 17.23 %) | ||||||
gologit2a =2 | 9.487 | <0.001 | 1.262 | <0.001 | 1.465 | <0.001 | 1184.56 | 0.4342 | 12.45 % | 14.31 % |
(7.213, 11.761) | (0.682, 1.842) | (0.873, 2.058) | (7.44 %, 17.46 %) | (9.25 %, 19.37 %) | ||||||
gologit2a =3 | 8.165 | <0.001 | 0.521 | 0.172 | 0.985 | 0.008 | 6.18 % | 11.37 % | ||
(6.143, 10.189) | (−.227, 1.269) | (0.260, 1.711) | (−1.62 %, 13.98 %) | (4.87 %, 17.86 %) | ||||||
slogita | 17.447 | <0.001 | 1.887 | <0.001 | 2.433 | <0.001 | 1123.27 | 0.4201 | 10.25 % | 13.05 % |
(14.460, 20.435) | (1.028, 2.746) | (1.555, 3.310) | (6.35 %, 14.15 %) | (9.23 %, 16.80 %) | ||||||
mixedb | 1.459 | <0.001 | 0.158 | <0.001 | 0.208 | <0.001 | 1225.30 | 0.2748 | 10.29 % | 13.31 % |
(1.244, 1.673) | (0.082, 0.234) | (0.132, 0.284) | (6.14 %, 14.43 %) | (9.38 %, 17.24 %) | ||||||
meologitb | 8.433 | <0.001 | 0.922 | <0.001 | 1.213 | <0.001 | 1215.96 | 0.2751 | 10.36 % | 13.4 % |
(6.685, 10.180) | (0.452, 1.392) | (0.735, 1.692) | (6.21 %, 14.51 %) | (9.49 %, 17.32 %) |
95 % confidence limits of each estimate given in parentheses
aregression model with fixed effects only
bregression model with fixed and random effects