Table 1 Basic characteristics of patients with IMA and NMA at diagnosis
Variables | IMA | NMA | p |
|---|---|---|---|
| Â | 303 | 20,611 | Â |
Age (years) | |||
≤ 65 | 142 (46.86%) | 9044 (43.88%) | 0.299 |
> 65 | 161 (53.14%) | 11,567 (56.12%) | |
Sex | |||
Male | 116 (38.28%) | 8727 (42.34%) | 0.156 |
Female | 187 (61.72%) | 11,884 (57.66%) | |
Marital status | |||
Single | 75 (24.75%) | 5504 (26.70%) | 0.029 |
Divorced | 27 (8.91%) | 2770 (13.44%) | |
Married | 201 (66.34%) | 12,337 (59.86%) | |
Race | |||
Black | 32 (10.56%) | 1686 (8.18%) | 0.32 |
Other | 30 (9.90%) | 2030 (9.85%) | |
White | 241 (79.54%) | 16,895 (81.97%) | |
Location | |||
Upper | 102 (33.66%) | 12,781 (62.01%) | < 0.0001 |
Lower | 180 (59.41%) | 6312 (30.62%) | |
Middle | 15 (4.95%) | 1033 (5.01%) | |
Other | 6 (1.98%) | 485 (2.35%) | |
Grade | |||
Grade I | 179 (59.08%) | 3692 (17.91%) | < 0.0001 |
Grade II | 51 (16.83%) | 9436 (45.78%) | |
Grade III | 9 (2.97%) | 6353 (30.82%) | |
Grade IV | 0 (0.00%) | 130 (0.63%) | |
Unknown | 64 (21.12%) | 1000 (4.85%) | |
Laterality | |||
Left | 135 (44.55%) | 8307 (40.30%) | 0.134 |
Right | 168 (55.45%) | 12,304 (59.70%) | |
T | |||
T1 | 135 (44.55%) | 13,448 (65.25%) | < 0.0001 |
T2 | 74 (24.42%) | 4900 (23.77%) | |
T3 | 44 (14.52%) | 1443 (7.00%) | |
T4 | 50 (16.50%) | 820 (3.98%) | |
N | |||
N0 | 286 (94.39%) | 14,863 (72.11%) | < 0.0001 |
N1 | 9 (2.97%) | 2888 (14.01%) | |
N2 | 8 (2.64%) | 2795 (13.56%) | |
N3 | 0 (0.00%) | 65 (0.32%) | |
Stage | |||
IA1 | 19 (6.27%) | 939 (4.56%) | 0.0001 |
IA2 | 55 (18.15%) | 5399 (26.19%) | |
IA3 | 55 (18.15%) | 4261 (20.67%) | |
IB | 44 (14.52%) | 2105 (10.21%) | |
IIA | 27 (8.91%) | 964 (4.68%) | |
IIB | 45 (14.85%) | 3127 (15.17%) | |
IIIA | 55 (18.15%) | 3229 (15.67%) | |
IIIB | 3 (0.99%) | 569 (2.76%) | |
IIIC | 0 (0.00%) | 18 (0.09%) | |
Size (median [IQR]) | 35.000 [20.000, 60.000] | 25.000 [18.000, 36.000] | < 0.0001 |
Operation | |||
Lobectomy | 263 (86.80%) | 16,849 (81.75%) | 0.138 |
Lobectomy extended | 7 (2.31%) | 855 (4.15%) | |
Other sublobar | 3 (0.99%) | 107 (0.52%) | |
Pneumonectomy | 6 (1.98%) | 691 (3.35%) | |
Segmentectomy | 5 (1.65%) | 565 (2.74%) | |
Wedge | 19 (6.27%) | 1544 (7.49%) | |
Chemotherapy | |||
No | 254 (83.83%) | 14,909 (72.34%) | < 0.0001 |
Yes | 49 (16.17%) | 5702 (27.66%) | |
Radiation | |||
No | 294 (97.03%) | 18,256 (88.57%) | < 0.0001 |
Yes | 9 (2.97%) | 2355 (11.43%) | |