Table 4 EGFRm patients’ characteristics after PSM
Non-PORT (n = 95) | PORT (n = 95) | P value | |
|---|---|---|---|
Age | 56 (51, 63) | 56 (49, 62) | 0.358 |
Sex | 0.884 | ||
Female | 53 (55.8) | 55 (57.9) | |
Male | 42 (44.2) | 40 (42.1) | |
Smoking history | 32 (33.7) | 26 (27.4) | 0.431 |
KPS | 0.621 | ||
> 80 | 68 (71.6) | 72 (75.8) | |
≤ 80 | 27 (28.4) | 23 (24.2) | |
Tumor location | 0.885 | ||
Left lung | 45 (47.4) | 47 (49.5) | |
Right lung | 50 (52.6) | 48 (50.5) | |
cT | 0.083 | ||
1 | 46 (48.9) | 33 (35.9) | |
2 | 42 (44.7) | 56 (60.9) | |
3 | 6 (6.4) | 3 (3.3) | |
Missing data | 3 | 3 | |
cN | 0.667 | ||
0 | 50 (52.6) | 47 (50.0) | |
1 | 12 (12.6) | 13 (13.8) | |
2 | 28 (29.5) | 32 (34.0) | |
3 | 5 (5.3) | 2 (2.1) | |
Missing data | 0 | 1 | |
pT | 0.649 | ||
1 | 21 (22.1) | 20 (21.5) | |
2 | 64 (67.4) | 58 (62.4) | |
3 | 9 (9.5) | 12 (12.9) | |
4 | 1 (1.1) | 3 (3.2) | |
Missing data | 0 | 2 | |
Positive lymph nodes | 0.883 | ||
≤ 5 | 39 (41.1) | 41 (43.2) | |
> 5 | 56 (58.9) | 54 (56.8) | |
Cycles of chemotherapy | |||
< 4 | 11 (11.6) | 7 (7.4) | 0.446 |
4 | 76 (80.0) | 83 (87.4) | |
> 4 | 8 (8.4) | 5 (5.3) | |
Histology | 61 (21.3) | 22 (21.2) | 0.368 |
Adenocarcinoma | 91 (95.8) | 94 (98.9) | |
Others a | 4 (4.2) | 1 (1.1) | |
EGFR mutations | 0.281 | ||
19 del | 44 (46.3) | 50 (52.6) | |
21 L858R | 42 (44.2) | 32 (33.7) | |
Others b | 9 (9.5) | 13 (13.7) | |
Surgery type | 0.141 | ||
Open | 45 (47.4) | 34 (35.8) | |
Thoracoscopic | 50 (52.6) | 61 (64.2) | |
Adjuvant TKI | 0 (0.0) | 0 (0.0) | NA |