Characteristics and imaging analysis results of the groups
| Subgroup 1 (IIH with PT) (n = 42) | Subgroup 2 (IIH without PT) (n = 37) | Patients with IIH (Combined) (n = 79) | Controls (n = 75) | P | P1 | P2 | |
|---|---|---|---|---|---|---|---|
| Rt stenosis >75% | 21 (50%) | 14 (38%) | 35 (44%) | 3 (4%) | .28 | <.001a | <.001a |
| Lt stenosis >75% | 21 (50%) | 21 (57%) | 42 (53%) | 7 (9%) | .55 | <.001a | <.001a |
| Rt or Lt stenosis >75% | 42 (50%) | 35 (47%) | 77 (49%) | 10 (7%) | .73 | <.001 | <.001a |
| Unilateral >75% stenosis | 16 (38%) | 15 (41%) | 33 (42%) | 10 (13%) | .82 | .002a | <.001a |
| Bilateral >75% stenoses | 13 (31%) | 9 (24%) | 22 (28%) | 0 | .51 | <.001a | <.001a |
| Unilateral or bilateral >75% stenosis | 29 (69%) | 24 (65%) | 55 (70%) | 10 (13%) | .69 | <.001a | <.001a |
| Rt stenosis >50% | 30 (71%) | 28 (76%) | 58 (73%) | 6 (8%) | .67 | <.001a | <.001a |
| Lt stenosis >50% | 33 (78%) | 32 (86%) | 65 (82%) | 19 (25%) | .36 | <.001a | <.001a |
| Rt or Lt stenosis >50% | 63 (75%) | 60 (81%) | 123 (78%) | 25 (16%) | .36 | <.001a | <.001a |
| Unilateral >50% stenosis | 7 (17%) | 10 (27%) | 17 (22%) | 21 (28%) | .26 | .17 | .35 |
| Bilateral >50% stenoses | 28 (67%) | 25 (68%) | 53 (67%) | 2 (3%) | .93 | <.001a | <.001a |
| Unilateral or bilateral >50% stenoses | 35 (83%) | 35 (94%) | 70 (89%) | 23 (31%) | .12 | <.001a | <.001a |
| Rt diverticulum | 5 (12%) | 3 (8%) | 8 (10%) | 6 (8%) | .72 | .48 | .65 |
| Lt diverticulum | 2 (5%) | 2 (5%) | 4 (5%) | 0 | 1 | .13 | .12 |
| Rt or Lt diverticulum | 7 (8%) | 5 (7%) | 12 (8%) | 6 (4%) | .71 | .17 | .18 |
| Unilateral diverticulum | 5 (12%) | 5 (14%) | 10 (13%) | 6 (8%) | .83 | .49 | .34 |
| Bilateral diverticula | 1 (2%) | 0 | 1 (1%) | 0 | 1 | .36 | 1 |
| Unilateral or bilateral diverticula | 6 (14%) | 5 (14%) | 11 (14%) | 6 (8%) | .92 | .28 | .24 |
| Rt dehiscence | 24 (57%) | 16 (43%) | 40 (51%) | 28 (37%) | .22 | .04a | .10 |
| Lt dehiscence | 12 (29%) | 12 (32%) | 24 (30%) | 12 (16%) | .71 | .11 | .04a |
| Rt or Lt dehiscence | 36 (42%) | 28 (38%) | 64 (41%) | 40 (27%) | .52 | .01a | .01a |
| Unilateral dehiscence | 18 (43%) | 12 (32%) | 30 (38%) | 26 (35%) | .34 | .38 | .70 |
| Bilateral dehiscence | 9 (21%) | 8 (22%) | 17 (22%) | 7 (9%) | .98 | .07 | .04a |
| Unilateral or bilateral dehiscence | 27 (64%) | 20 (54%) | 47 (60%) | 33 (44%) | .36 | .04a | .05a |
Note:—P indicates IIH with PT vs IIH without PT; P1, IIH with PT vs controls; P2, IIH (combined) vs controls; Rt, right; Lt, left.
↵a Significant.