Table 1. Baseline characteristics comparing only SA and BSA.
| Characteristics | SA ( N = 108) | BSA ( N = 61) | Total ( N = 169) | p -Value |
|---|---|---|---|---|
| Age at surgery, mean (SD) | 55.3 (17.7) | 50.8 (17) | 53.6 (17.6) | 0.11 |
| Female | 51 (47.2%) | 30 (49.2%) | 81 (47.9%) | 0.93 |
| Smoker | 20 (18.5%) | 8 (13.1%) | 28 (16.6%) | 0.49 |
| Tumor size in cm, mean (SD) | 2.3 (1.2) | 3.5 (1.7) | 2.6 (1.5) | < 0.0001 |
| Middle turbinate resection | ||||
| Unilateral | 20 (18.5%) | 17 (27.9%) | 37 (21.9%) | 0.02 |
| Bilateral | 5 (4.6%) | 9 (14.8%) | 14 (8.3%) | |
| None | 83 (76.9%) | 35 (57.4%) | 118 (69.8%) | |
| Tumor resection | ||||
| Gross total | 63 (65.6%) | 33 (89.2%) | 96 (72.2%) | 0.03 |
| Near total | 20 (20.8%) | 2 (5.4%) | 22 (16.5%) | |
| Partial | 13 (13.5%) | 2 (5.4%) | 15 (11.3%) | |
| CSF leak seen during surgery | 47 (43.5%) | 36 (59.0%) | 83 (49.1%) | 0.06 |
| Required take back for CSF leak repair | 6 (5.6%) | 4 (6.6%) | 10 (5.9%) | 0.75 |
| Revision surgery | 19 (17.6%) | 9 (14.8%) | 28 (16.6%) | 0.67 |
| Adjuvant radiation | 1 (0.9%) | 8 (13.1%) | 9 (5.4%) | 0.001 |
| Reconstruction | ||||
| Nasoseptal flap | 21 (19.8%) | 19 (31.1%) | 40 (24.0%) | 0.13 |
| Abdominal fat | 41 (60.3%) | 5 (12.2%) | 46 (42.2%) | < 0.0001 |
| Free mucosal graft | 22 (32.4%) | 16 (39.0%) | 38 (34.9%) | 0.62 |
| Lumbar drain | 1 (1.5%) | 0 (0.0%) | 1 (0.9%) | 1 |
Abbreviations: BSA, beyond sella approach; CSF, cerebrospinal fluid; SA, sella approach; SD, standard deviation.
Note : Italics denote statistical significance ( p < 0.05).