Table 2 EGFRm patients’ characteristics
Non-PORT (n = 211) | PORT (n = 111) | P value | |
|---|---|---|---|
Age | 56 (51, 63) | 56 (49, 62) | 0.251 |
Sex | 0.089 | ||
Female | 142 (67.3) | 64 (57.7) | |
Male | 69 (32.7) | 47 (42.3) | |
Smoking history | 57 (27.0) | 30 (27.0) | > 0.999 |
KPS | 0.683 | ||
> 80 | 162 (76.8) | 83 (74.8) | |
≤ 80 | 49 (23.2) | 28 (25.2) | |
Tumor location | 0.727 | ||
Left lung | 109 (51.7) | 55 (49.5) | |
Right lung | 102 (48.3) | 56 (50.5) | |
cT | 0.706 | ||
1 | 83 (39.9) | 38 (35.2) | |
2 | 115 (55.3) | 65 (60.2) | |
3 | 10 (4.8) | 5 (4.6) | |
Missing data | 3 | 3 | |
cN | 0.778 | ||
0 | 117 (56.3) | 56 (50.9) | |
1 | 28 (13.5) | 16 (14.5) | |
2 | 56 (26.9) | 35 (31.8) | |
3 | 7 (3.4) | 3 (2.7) | |
Missing data | 3 | 1 | |
pT | 0.876 | ||
1 | 36 (19.1) | 21 (19.6) | |
2 | 126 (67.0) | 68 (63.6) | |
3 | 22 (11.7) | 15 (14) | |
4 | 4 (2.1) | 3 (2.8) | |
Missing data | 0 | 2 | |
Positive lymph nodes | 0.046 | ||
≤ 5 | 109 (51.7) | 44 (39.6) | |
> 5 | 102 (48.3) | 67 (60.4) | |
Cycles of chemotherapy | |||
< 4 | 31 (16.8) | 7 (7.1) | 0.114 |
4 | 140 (75.7) | 86 (86.9) | |
> 4 | 14 (7.6) | 6 (6.1) | |
Missing data/ no chemotherapy | 26 | 12 | |
Histology | 61 (21.3) | 22 (21.2) | 0.173 |
Adenocarcinoma | 202 (95.7) | 110 (99.1) | |
Others a | 9 (4.3) | 1 (0.9) | |
EGFR mutations | 0.550 | ||
19 del | 101 (47.9) | 58 (52.3) | |
21 L858R | 87 (41.2) | 39 (35.1) | |
Others b | 23 (10.9) | 14 (12.6) | |
Surgery type | 0.288 | ||
Open | 98(46.4) | 44 (39.6) | |
Thoracoscopic | 113 (53.6) | 67 (60.4) | |
Adjuvant TKI | 14 (6.6) | 0 (0.0) | 0.003 |