Table 2.
Clinicopathological characteristics of dual primary cancers patients with LCSPM between 2010 and 2015.
| Variables | 2010 (n = 81) | 2011 (n = 230) | 2012 (n = 344) | 2013 (n = 436) | 2014 (n = 569) | 2015 (n = 625) |
|---|---|---|---|---|---|---|
| Age (years) | 68.72 (11.44) | 70.50 (10.03) | 69.11 (10.60) | 70.18 (9.72) | 70.41 (9.60) | 70.53 (9.60) |
| Sex | ||||||
| Female | 37 (45.68) | 90 (39.13) | 127 (36.92) | 148 (33.94) | 212 (37.26) | 263 (42.08) |
| Male | 44 (54.32) | 140 (60.87) | 217 (63.08) | 288 (66.06) | 357 (62.74) | 362 (57.92) |
| Histology of lung cancer | ||||||
| Adenocarcinoma | 28 (34.57) | 89 (38.70) | 128 (37.21) | 176 (40.37) | 208 (36.56) | 234 (37.44) |
| Squamous cell carcinomas | 16 (19.75) | 53 (23.04) | 77 (22.38) | 93 (21.33) | 125 (21.97) | 146 (23.36) |
| Small cell cancer | 8 (9.88) | 15 (6.52) | 37 (10.76) | 36 (8.26) | 52 (9.14) | 65 (10.40) |
| Others | 29 (35.80) | 73 (31.74) | 102 (29.61) | 131 (30.05) | 184 (32.34) | 180 (28.80) |
| Location of FPC | ||||||
| Prostate | 17 (20.99) | 46 (20.0) | 78 (22.67) | 92 (21.10) | 125 (21.97) | 128 (20.48) |
| Female Breast | 17 (20.99) | 29 (12.61) | 39 (11.34) | 55 (12.61) | 72 (12.65) | 96 (15.36) |
| Urinary Bladder | 7 (8.64) | 28 (12.17) | 34 (9.88) | 47 (10.78) | 67 (11.78) | 55 (8.80) |
| Others | 40 (49.38) | 127 (55.22) | 193 (56.10) | 242 (55.50) | 305 (53.60) | 346 (55.36) |
| Interval (months) | 4.11 (2.44) | 8.32 (4.99) | 14.93 (9.11) | 19.42 (12.34) | 24.21 (15.63) | 30.41 (19.84) |
| Stage of lung cancer | ||||||
| Stage I | 36 (44.44) | 89 (38.70) | 126 (36.63) | 150 (34.40) | 204 (35.85) | 238 (38.08) |
| Stage II | 8 (9.88) | 25 (10.87) | 33 (9.59) | 44 (10.09) | 41 (7.21) | 66 (10.56) |
| Stage III | 11 (13.58) | 45 (19.57) | 77 (22.38) | 71 (16.28) | 107 (18.80) | 103 (16.48) |
| Stage IV | 26 (32.10) | 71 (30.87) | 108 (31.40) | 171 (39.22) | 217 (38.14) | 218 (34.88) |
| Surgery for lung cancer | ||||||
| No | 47 (58.02) | 141 (61.3) | 213 (61.92) | 283 (64.91) | 395 (69.42) | 432 (69.12) |
| Yes | 34 (41.98) | 89 (38.7) | 131 (38.08) | 153 (35.09) | 174 (30.58) | 193 (30.88) |
Continuous variables (age and interval) are presented as mean and standard deviation, and categorical variables are presented as numbers and percentages.