T1ρ measurements in stage T1 and T2–4 NPCa
T1rho Measurements | Stage T1 NPCs (n = 14) | Stage T2–4 NPCs (n = 29) | P Value |
---|---|---|---|
Mean (ms) | 61.94 (59.18–64.51) | 62.14 (60.23–66.56) | .31 |
SD (ms) | 12.48 (11.75–14.21) | 12.62 (11.91–13.88) | .92 |
Skewness | 0.59 (0.39–0.78) | 0.61 (0.48–0.77) | .57 |
Kurtosis | 3.10 (2.89–3.92) | 3.38 (3.02–4.16) | .08 |
↵a Data are median values; data in parentheses are interquartile range. P values < .05 indicate statistical significance.