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. 2021 Jun 2;11:11630. doi: 10.1038/s41598-021-91225-z

Table 5.

Factors associated with postoperative neurological function and prognostic factors for recurrence.

Demographic Neurological function Recurrence
Worsened (n = 9) Improved/stable (n = 107) P value Yes (n = 8) No (n = 108) P value
Age n.s. 0.054
< 50 years 3 (33%) 34 (32%) 5 (62%) 32 (30%)
≥ 50 years 6 (67%) 73 (68%) 3 (38%) 76 (70%)
Gender n.s. 0.018*
Male 4 (44%) 18 (17%) 4 (50%) 18 (17%)
Female 5 (56%) 91 (83%) 4 (50%) 92 (83%)
Sagittal tumor location n.s. n.s.
Cervical 1 (11%) 21 (20%) 2 (25%) 20 (19%)
Thoracic 7 (77%) 83 (77%) 5 (63%) 85 (79%)
Lumbar 1 (11%) 3 (3%) 1 (13%) 3 (3%)
Axial tumor location n.s. n.s.
Ventral 4 (44%) 29 (27%) 3 (38%) 31 (29%)
Dorsal 3 (33%) 12 (11%) 0 (0%) 15 (14%)
Others 2 (22%) 66 (62%) 5 (62%) 62 (57%)
Dural tail n.s. 0.046*
Yes 4 (44%) 32 (30%) 5 (63%) 31 (29%)
No 5 (55%) 75 (70%) 3 (37%) 77 (71%)
Symptom duration 0.041* n.s.
Mean ± SD (months) 29.7 ± 30.1 9.8 ± 8.0 13.0 ± 18.6 11.2 ± 11.7
WHO classification n.s. n.s.
Grade I 6 (67%) 107 (100%) 5 (63%) 108 (100%)
Grade II 3 (33%) 0 (0%) 3 (37%) 0 (0%)
Preoperative McCormick 0.024* n.s.
I or II 2 (22%) 65 (61%) 3 (37%) 64 (59%)
III or IV or V 7 (78%) 42 (39%) 5 (63%) 44 (61%)
Simpson grade n.s. < 0.01**
I 2 (22%) 27 (25%) 0 (0%) 29 (27%)
II 5 (56%) 74 (69%) 2 (25%) 77 (71%)
III or IV 2 (22%) 6 (6%) 6 (75%) 2 (2%)

Significant difference *P < 0.05, **P < 0.01.