Table 1.
Baseline characteristics and comparison of postoperative recurrence in patients with TN treated with fE-MVD
| Variables | Patients with TN who underwent fE-MVD | χ2 value | P value | |
|---|---|---|---|---|
| Recurrence (n = 14) | Recurrence-free (n = 110) | |||
| Sex, n (%) | 0.149 | 0.699* | ||
| Female | 7 (50.00) | 61 (55.45) | ||
| Male | 7 (50.00) | 49 (44.55) | ||
| Age (years), n (%) | 0.042 | 0.837* | ||
| ≤ 60 | 8 (57.14) | 66 (60.00) | ||
| > 60 | 6 (42.86) | 44 (40.00) | ||
| Disease duration (years), n (%) | 3.098 | 0.078* | ||
| ≤ 3 | 2 (14.29) | 42 (38.18) | ||
| > 3 | 12 (85.71) | 68 (61.82) | ||
| Clinical features, n (%) | 6.077 | 0.014* | ||
| Typical | 3 (21.43) | 62 (56.36) | ||
| Atypical | 11 (78.57) | 48 (43.64) | ||
| Type of responsible vessels, n (%) | 20.249 | < 0.001* | ||
| Arterial | 1 (7.14) | 76 (69.09) | ||
| Non-arterial | 13 (92.86) | 34 (30.91) | ||
| CPA area ratio, n (%) | 0.014# | |||
| ≤ 1 | 5 (35.71) | 78 (70.91) | ||
| > 1 | 9 (64.29) | 32 (29.09) | ||
| Angle ratio of TGN, n (%) | 1.820 | 0.177* | ||
| ≤ 1 | 3 (21.43) | 44 (40.00) | ||
| > 1 | 11 (78.57) | 66 (60.00) | ||
| Length ratio of TGN (cisternal segment), n (%) | 0.224 | 0.636* | ||
| ≤ 1 | 6 (42.86) | 40 (36.36) | ||
| > 1 | 8 (57.14) | 70 (63.64) | ||
TN: Trigeminal neuralgia; fE-MVD: full-endoscopic microvascular decompression; CPA: cerebellopontine angle; TGN: trigeminal nerve; * Chi-square test; # Fisher's exact test