Research Article

Effects of the MR-DTI Characteristics of the Trigeminal Ganglion Target on Radiofrequency Treatment in Patients with Trigeminal Neuralgia: A Retrospective Observational Clinical Study

Table 2

Characteristics of the TGT and TG (n = 17).

MINMAXFirst quartileMedianThird quartile95% CIMean ± SD

S (mm2)15.451.620.524.629.1(9.3, 41.3)25.1 ± 8.2
s (mm2)2.55.44.04.44.9(2.7, 5.8)4.3 ± 0.8
L1 (mm)2.03.02.52.62.8(2.1, 3.1)2.6 ± 0.3
L2 (mm)1.42.41.92.02.2(1.5, 2.6)2.0 ± 0.3
s/S (%)6.028.615.018.319.8(7.7, 28.4)18.2 ± 5.3

S: area of the TG; s: area of the TGT; L1: long diameter of the TGT; L2: short diameter of the TGT; s/S: ratio of the area of the TGT to that of the TG; 95% CI: 95% confidence interval for the mean (lower and upper limits).