Table 2 Demographic and audiological details of tumor patients.
From: Optimized preoperative determination of nerve of origin in patients with vestibular schwannoma
Koos grade | n | Male/female (n) | Mean age (SD)/years | Right/left (n) | 4PTA (SD)/dB HL | Mean WRS65 (SD) | Mean | Median hearing class (95% CI) | ||
|---|---|---|---|---|---|---|---|---|---|---|
Ipsilateral | Contralateral | WRSmax (SD) | AAO-HNSa | GR | ||||||
Total | 80 | 26/54 | 51.5 (12.7) | 42/38 | 49.4 (31.7) | 17.1 (10.7) | 49 (39) | 70 (36) | 2 (2.1; 2.6) | 2 (2.1; 2.6) |
I | 12 | 3/9 | 48.1 (14.4) | 8/4 | 35.3 (25.1) | 15.5 (10.8) | 59 (41) | 81 (24) | 1 (1.1; 2.8) | 1 (1.1; 2.4) |
II | 26 | 6/20 | 53.9 (13.1) | 14/12 | 45.8 (27.3) | 18.8 (10.2) | 53 (37) | 79 (29) | 2 (1.8; 2.6) | 2 (1.8; 2.6) |
III | 25 | 10/15 | 52.1 (11.2) | 12/13 | 52.5 (32.7) | 16.6 (11.9) | 45 (39) | 69 (36) | 2 (1.9; 2.9) | 2 (1.8; 2.8) |
IV | 17 | 7/10 | 49.1 (13.3) | 8/9 | 60.3 (38.1) | 16.6 (10.3) | 43 (42) | 53 (46) | 3 (2.1; 3.4) | 3 (2.1; 3.9) |
