Table 2

Summary of Discordant Cases of First PD Classification by CP and Volumetric Measures

Segmented VolumeEllipsoid volume
40% threshold30% threshold40% threshold50% threshold
PD by volume but not CPPD by CP but not volumeP-valuePD by volume but not CPPD by CP but not volumeP-valuePD by volume but not CPPD by CP but not volumeP-valuePD by volume but not CPPD by CP but not volumeP-value
n513--75--93--66--
Survival from MRI(months) (median [Range])3.0
(1–7)
6.0
(1–25)
0.011*5.0
(1–21)
9.0
(2–25)
0.307.0
(1–32)
6.0
(6–18)
0.817.4
(2–15)
11.2
(6–25)
0.13
Cranial-caudal tumor growth# (increase from smallest prior) (median [Range])37.5%
(8.3% to 83.6%)
15.5%
(–7.0% to 22.9%)
0.019*25.4%
(1.3% to 83.6%)
13.1%
(–7.0% to 20.3%)
0.10634.7%
(21.0% to 83.6%)
3.4%
(–7.0% to 20.5%)
0.009*37.5%
(22.4% to 83.6%)
13.1%
(–7.0% to 22.9%)
0.005*
Segmented VolumeEllipsoid volume
40% threshold30% threshold40% threshold50% threshold
PD by volume but not CPPD by CP but not volumeP-valuePD by volume but not CPPD by CP but not volumeP-valuePD by volume but not CPPD by CP but not volumeP-valuePD by volume but not CPPD by CP but not volumeP-value
n513--75--93--66--
Survival from MRI(months) (median [Range])3.0
(1–7)
6.0
(1–25)
0.011*5.0
(1–21)
9.0
(2–25)
0.307.0
(1–32)
6.0
(6–18)
0.817.4
(2–15)
11.2
(6–25)
0.13
Cranial-caudal tumor growth# (increase from smallest prior) (median [Range])37.5%
(8.3% to 83.6%)
15.5%
(–7.0% to 22.9%)
0.019*25.4%
(1.3% to 83.6%)
13.1%
(–7.0% to 20.3%)
0.10634.7%
(21.0% to 83.6%)
3.4%
(–7.0% to 20.5%)
0.009*37.5%
(22.4% to 83.6%)
13.1%
(–7.0% to 22.9%)
0.005*

Statistically significant P-values (<.05) are designated by *.

# Excludes two cases of pseudoprogression by volume.

Table 2

Summary of Discordant Cases of First PD Classification by CP and Volumetric Measures

Segmented VolumeEllipsoid volume
40% threshold30% threshold40% threshold50% threshold
PD by volume but not CPPD by CP but not volumeP-valuePD by volume but not CPPD by CP but not volumeP-valuePD by volume but not CPPD by CP but not volumeP-valuePD by volume but not CPPD by CP but not volumeP-value
n513--75--93--66--
Survival from MRI(months) (median [Range])3.0
(1–7)
6.0
(1–25)
0.011*5.0
(1–21)
9.0
(2–25)
0.307.0
(1–32)
6.0
(6–18)
0.817.4
(2–15)
11.2
(6–25)
0.13
Cranial-caudal tumor growth# (increase from smallest prior) (median [Range])37.5%
(8.3% to 83.6%)
15.5%
(–7.0% to 22.9%)
0.019*25.4%
(1.3% to 83.6%)
13.1%
(–7.0% to 20.3%)
0.10634.7%
(21.0% to 83.6%)
3.4%
(–7.0% to 20.5%)
0.009*37.5%
(22.4% to 83.6%)
13.1%
(–7.0% to 22.9%)
0.005*
Segmented VolumeEllipsoid volume
40% threshold30% threshold40% threshold50% threshold
PD by volume but not CPPD by CP but not volumeP-valuePD by volume but not CPPD by CP but not volumeP-valuePD by volume but not CPPD by CP but not volumeP-valuePD by volume but not CPPD by CP but not volumeP-value
n513--75--93--66--
Survival from MRI(months) (median [Range])3.0
(1–7)
6.0
(1–25)
0.011*5.0
(1–21)
9.0
(2–25)
0.307.0
(1–32)
6.0
(6–18)
0.817.4
(2–15)
11.2
(6–25)
0.13
Cranial-caudal tumor growth# (increase from smallest prior) (median [Range])37.5%
(8.3% to 83.6%)
15.5%
(–7.0% to 22.9%)
0.019*25.4%
(1.3% to 83.6%)
13.1%
(–7.0% to 20.3%)
0.10634.7%
(21.0% to 83.6%)
3.4%
(–7.0% to 20.5%)
0.009*37.5%
(22.4% to 83.6%)
13.1%
(–7.0% to 22.9%)
0.005*

Statistically significant P-values (<.05) are designated by *.

# Excludes two cases of pseudoprogression by volume.

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