Table 1. Patient Characteristics.
| Characteristic | Frequency, No./Total No. (%)a |
|---|---|
| Age, y | |
| 18-34 | 146/1005 (14.5) |
| 35-49 | 284/1005 (28.2) |
| 50-64 | 376/1005 (37.4) |
| ≥65 | 199/1005 (19.8) |
| Sex | |
| Male | 279/1005 (27.8) |
| Female | 726/1005 (72.2) |
| Area of residence | |
| City | 479/940 (51.0) |
| Rural or regional | 461 (49.0) |
| Educational level | |
| Secondary school only | 284/1005 (28.2) |
| Postsecondary school | 721/1005 (71.7) |
| Treatment type | |
| Public | 343/1005 (34.1) |
| Private | 662/1005 (65.9) |
| Time since diagnosis, mo | |
| <6 | 594/1005 (59.1) |
| ≥6 | 411/1005 (40.9) |
| Type of thyroid surgery | |
| Hemithyroidectomy | 214/1005 (21.3) |
| Total thyroidectomy | 695/1005 (69.2) |
| Total thyroidectomy plus neck dissection | 96/1005 (9.6) |
| Tumor subtype | |
| Papillary | 889/1003 (88.6) |
| Follicular | 114/1003 (11.4) |
| Size of primary tumor, cm | |
| <2 | 564/1000 (56.4) |
| ≥2 | 436/1000 (43.6) |
| Stage of diseaseb | |
| I | 636/982 (64.8) |
| II | 117/982 (11.9) |
| III | 174/982 (17.7) |
| IV | 55/982 (5.6) |
| Other cancer diagnosisc | |
| Yes | 220/1005 (21.9) |
| No | 785/1005 (78.1) |
a
For some variables a small proportion of data are missing. Percentages have been rounded and may not total 100.
b
From the 7th edition of the American Joint Committee on Cancer's Cancer Staging Manual, 7th Edition,21 recorded at the time of surgery (ie, does not include postsurgical data such as anatomical imaging or radioactive iodine scanning results).
c
Other than thyroid cancer.