Table 1.
Characteristics of study participants (n = 415) and 1-, 3-, and 5-year survival among patients diagnosed with laryngeal cancer, South of Iran, 2000–2015.
| Characteristic | Category | Alive n (%) |
Dead n (%) |
Total n (%) |
1-Year OS (%) | 3-Year OS (%) |
5-Year OS (%) |
|---|---|---|---|---|---|---|---|
| Age (year) | <50 | 56 (74.7) | 19 (25.3) | 75 (18.1) | 90 | 79 | 70 |
| 50–70 | 156 (62.9) | 92 (37.1) | 248 (59.8) | 82 | 67 | 56 | |
| >70 | 32 (34.8) | 60 (65.2) | 92 (22.2) | 72 | 38 | 30 | |
|
| |||||||
| Sex | Female | 13 (76.5) | 4 (23.5) | 17 (4.1) | 93 | 83 | 60 |
| Male | 231 (58.0) | 167 (42.0) | 398 (95.9) | 81 | 61 | 52 | |
|
| |||||||
| T Stage | T3 | 111 (68.9) | 50 (31.1) | 161 (38.8) | 84 | 71 | 63 |
| T4 | 133 (52.3) | 121 (47.7) | 254 (61.2) | 80 | 57 | 47 | |
|
| |||||||
| Treatment | RT or CRT | 24 (40) | 36 (60) | 60 (14.5) | 50 | 37 | 29 |
| Surgery + RT/CRT | 220 (62.0) | 135 (38.0) | 355 (85.5) | 86 | 66 | 56 | |
|
| |||||||
| Location | Supraglottic | 68 (60.2) | 45 (39.8) | 113 (27.2) | 81 | 70 | 54 |
| Glottic | 123 (59.1) | 85 (40.9) | 208 (50.1) | 82 | 62 | 57 | |
| Subglottic | 8 (61.5) | 5 (38.5) | 13 (3.1) | 100 | 69 | 42 | |
| Transglottic | 45 (55.6) | 36 (44.4) | 81 (19.5) | 76 | 50 | 42 | |
|
| |||||||
| Stage | 3 | 109 (69.9) | 47 (30.1) | 156 (37.6) | 85 | 72 | 64 |
| 4 | 135 (52.1) | 124 (47.9) | 259 (62.4) | 79 | 57 | 46 | |
|
| |||||||
| Grade | 1 | 126 (61.8) | 78 (38.2) | 204 (49.2) | 81 | 64 | 57 |
| 2 | 92 (62.2) | 56 (37.8) | 148 (35.6) | 84 | 68 | 56 | |
| 3 | 26 (41.3) | 37 (58.7) | 63 (15.2) | 75 | 43 | 32 | |
|
| |||||||
| Positive LN | No | 202 (62.2) | 123 (37.8) | 325 (78.3) | 83 | 67 | 57 |
| Yes | 42 (46.7) | 48 (53.3) | 90 (21.7) | 74 | 47 | 39 | |
OS, overall survival; RT, radiotherapy; CRT, chemoradiotherapy; CT, chemotherapy; LN, lymph node.