Table 2.
Demographic and Clinical Data of Patients in the MVD and MVD+PSR Groups
| Variable | MVD | MVD+PSR | P value |
|---|---|---|---|
| Sex, n (%) | 0.402a | ||
| Male | 14(35%) | 16(27.1%) | |
| Female | 26(65%) | 43(72.9%) | |
| Age (years), mean±SD | 55.1±10.7 | 60.5±10.1 | 0.012b |
| Age (years), n (%) | 0.033a | ||
| <60 | 25(62.5%) | 24(40.7%) | |
| ≥60 | 15(37.5%) | 35(59.3%) | |
| Duration of disease (years), n (%) | 0.369a | ||
| <5 | 16(40.0%) | 29(49.2%) | |
| ≥5 | 24(60.0%) | 30(50.8%) | |
| Affected side, n (%) | 0.551a | ||
| Left | 18(45.0%) | 23(39.0%) | |
| Right | 22(55.0%) | 36(61.0%) | |
| Distribution of pain, n (%) | 0.802a | ||
| V1 | 1(2.5%) | 0(0.0%) | |
| V2 | 14(35.0%) | 18(30.5%) | |
| V3 | 4(10.0%) | 8(13.6%) | |
| V1+V2 | 6(15.0%) | 6(10.2%) | |
| V2+V3 | 13(32.5%) | 23(39.0%) | |
| V1+V2+V3 | 2(5%) | 4(6.8%) | |
| Type of TN, n (%) | 1.000a | ||
| Typical | 38(95.0%) | 57(96.6%) | |
| Atypical | 2(5.0%) | 2(3.4%) | |
| History of previous ablative procedures, n (%) | 1.000a | ||
| Yes | 5(12.5%) | 7(11.9%) | |
| No | 35(87.5%) | 52(88.1%) | |
| Posterior fossa volume, n (%) | 0.877a | ||
| Normal | 17(42.5%) | 26(44.1%) | |
| Small | 23(57.5%) | 33(55.9%) | |
| Presence of arachnoid thickening adhesion, n (%) | 0.359a | ||
| Yes | 31(77.5%) | 50(84.7%) | |
| No | 9(22.5%) | 9(15.3%) | |
| Type of offending vessel, n (%) | 0.367a | ||
| Pure artery compression | 22(55.0%) | 27(45.8%) | |
| Nonpure artery compression | 18(45.0%) | 32(54.2%) | |
| Decompression degree, n (%) | 0.001a | ||
| Complete decompression from arteries or veins | 38(95.0%) | 39(66.1%) | |
| Incomplete decompression from arteries or veins | 2(5.0%) | 20(33.9%) |
Notes: aP value, Pearson’s χ2 test or Fisher’s exact test; bP value, Student’s t-test.
Abbreviations: MVD, microvascular decompression; PSR, partial sensory rhizotomy, TN, trigeminal neuralgia; V1, the first division of the trigeminal nerve; V2, the second division of the trigeminal nerve; V3, the third division of the trigeminal nerve.