TABLE 2

Rating Scores for Presence of Brain Tumors on 18F-FET PET and 123I-IMT SPECT and Calculated Ratios for 18F-FET and 123I-IMT Uptake in Brain Tumors, Superior Sagittal Sinus, Temporalis Muscle, and Cerebellum

Patient no.Mean rating scoreTBRSBRMBRCerBR
18F-FET123I-IMT18F-FET123I-IMT18F-FET123I-IMT18F-FET123I-IMT18F-FET123I-IMT
1432.21.51.51.01.90.71.31.3
2432.21.71.00.91.30.91.21.3
3110.80.71.50.81.70.91.21.4
4444.22.41.41.01.20.51.21.3
5431.51.21.50.71.60.51.31.3
6120.90.81.30.91.10.61.21.4
7331.41.41.10.81.30.51.21.4
8442.62.01.11.11.20.71.01.2
9443.22.51.00.41.30.41.01.2
10331.61.21.70.71.50.61.21.4
11411.81.11.00.91.00.91.11.4
12442.31.61.00.71.30.41.21.2
13221.41.31.20.61.50.81.31.3
14443.42.21.30.81.70.71.31.3
15431.91.21.30.81.30.71.11.2
16442.61.91.20.81.10.51.41.4
17110.70.71.10.71.30.61.21.3
18221.21.21.21.11.00.61.21.3
19441.71.51.50.81.80.51.31.4
20443.21.91.40.71.30.51.11.2
Mean3.33.02.01.51.30.81.40.61.21.3
SD1.11.10.90.50.20.20.30.20.10.1
NSP < 0.001P < 0.001P < 0.001P < 0.001
Pearson correlation coefficientr = 0.96r = 0.08r = −0.06r = 0.55
P < 0.001NSNSP = 0.02
  • NS = not significant.

  • Mean rating score: 1, definitely not present; 2, probably not present; 3, probably present; 4, definitely present.