Table 1 Characteristics of patients with stage IIIA-N2 NSCLC before PSM
Characteristic | Non-PORT | PORT | P value |
|---|---|---|---|
n | 2591 | 1920 | |
Age, n (%) | < 0.01 | ||
< 65 | 994 (22%) | 938 (20.8%) | |
≥ 65 | 1597 (35.4%) | 982 (21.8%) | |
Sex, n (%) | 0.87 | ||
Female | 1400 (31%) | 1032 (22.9%) | |
Male | 1191 (26.4%) | 888 (19.7%) | |
Year of diagnosis, n (%) | 0.02 | ||
2000–2009 | 1288 (28.6%) | 884 (19.6%) | |
2010–2019 | 1303 (28.9%) | 1036 (23%) | |
Race, n (%) | 0.70 | ||
White | 2110 (46.8%) | 1554 (34.4%) | |
Other | 481 (10.7%) | 366 (8.1%) | |
Primary site, n (%) | 0.01 | ||
Upper lobe | 1579 (35%) | 1245 (27.6%) | |
Middle lobe | 125 (2.8%) | 99 (2.2%) | |
Lower lobe | 887 (19.7%) | 576 (12.8%) | |
Laterality, n (%) | 0.98 | ||
Left | 1198 (26.6%) | 886 (19.6%) | |
Right | 1393 (30.9%) | 1034 (22.9%) | |
Histologic type, n (%) | < 0.01 | ||
LUAD | 1742 (38.6%) | 1411 (31.3%) | |
LUSC | 511 (11.3%) | 308 (6.8%) | |
Large cell | 85 (1.9%) | 61 (1.4%) | |
Other | 253 (5.6%) | 140 (3.1%) | |
T stage, n (%) | 0.03 | ||
T1 | 989 (21.9%) | 796 (17.6%) | |
T2 | 1602 (35.5%) | 1124 (24.9%) | |
Surgery, n (%) | < 0.01 | ||
Lobectomy | 2187 (48.5%) | 1586 (35.2%) | |
Sublobectomy | 229 (5.1%) | 242 (5.4%) | |
Pneumonectomy | 175 (3.9%) | 92 (2%) | |
Chemotherapy, n (%) | < 0.01 | ||
No | 1173 (26%) | 282 (6.3%) | |
Yes | 1418 (31.4%) | 1638 (36.3%) | |
Regional nodes positive, n (%) | < 0.01 | ||
4 | 1745 (38.7%) | 1192 (26.4%) | |
≥ 4 | 846 (18.8%) | 728 (16.1%) | |