Table 1.
Demographics of study group
| Etiology | No TME | TME | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | Age (years) | Sex (%F) | Years of education | Smoke (%) | UPSIT | N | Age (years) | Sex (%F) | Years of education | Smoke (%) | UPSIT | Years since TME | |
| Idiopathic | 163 | 53.49 (1.41) | 42 | 13.73 (0.37) | 8.08 (Missing 2) |
22.17 (0.77) (Missing 2) |
388 | 55.04 (0.74) | 64 | 15.54 (0.11) (Missing 8) |
5.44 (Missing 2) |
25.70 (0.52) | 26.79 (0.80) |
| URI | 96 | 55.50 (1.31) | 61 | 14.82 (0.24) (Missing 2) |
5.32 (Missing 2) |
22.56 (0.86) (Missing 1) |
252 | 56.46 (0.79) | 63 | 15.74 (0.13) (Missing 3) |
4.76 | 22.89 (0.551) | 25.84 (1.01) |
| Head trauma | 54 | 39.39 (2.12) | 44 | 13.33 (0.52) | 18.52 | 14.46 (1.05) | 101 | 43.79 (1.52) | 58 | 15.01 (0.20) (Missing 1) |
13.00 (Missing 1) |
15.73 (0.81) | 16.72 (1.32) |
| Allergy, sinusitis, rhinitis, polyps, nasal operation | 10 | 52.10 (5.72) | 70 | 13.90 (1.06) | 0 | 20.60 (2.88) | 47 | 52.70 (1.77) | 66 | 15.51 (0.32) (Missing 2) |
6.38 | 21.96 (1.36) | 23.09 (2.14) |
| Others | 41 | 49.49 (3.74) | 51 | 13.31 (0.43) (Missing 2) |
9.76 | 21.05 (1.59) | 103 | 56.60 (1.74) | 62 | 15.08 (0.25) (Missing 1) |
5.26 | 26.07 (0.98) (Missing 1) |
28.36 (1.78) |
All values are means (SDs) unless indicated otherwise. UPSIT, University of Pennsylvania Smell Identification Test (Doty et al. 1984); URI, upper respiratory infections. For education, 16 subjects who indicated “other” in the survey questionnaire were eliminated.