Table 4 Baseline Characteristics of Patients with Stage IA Invasive Mucinous Adenocarcinoma of Seer Cohort(n = 480)
Variables | Surgical procedures | ||
|---|---|---|---|
Lobectomy (%) | Limited resection (%) | p | |
(N = 376) | (N = 104) | ||
Age | 0.116 | ||
Mean ± SD | 63.9 ± 10.1 | 65.6 ± 10.2 | |
≤ 65 | 183 (48.7) | 51 (49.0) | |
> 65 | 193 (51.3) | 53 (51.0) | |
Sex | 0.741 | ||
Male | 155 (41.2) | 41 (39.4) | |
Female | 221 (58.8) | 63 (60.6) | |
Race/ethnicity | 0.965 | ||
White | 303 (80.6) | 85 (81.7) | |
Black | 35 (9.3) | 9 (8.7) | |
Other | 38 (10.1) | 10 (9.6) | |
Tumor location | 0.331 | ||
Upper and middle | 168 (44.7) | 37 (35.6) | |
Lower | 202 (53.7) | 65 (62.5) | |
Overlapping | 1 (0.3) | 0 (0) | |
NOS | 5 (1.3) | 2 (1.9) | |
AJCC T stage 7th ed | 0.002 | ||
T1a | 223 (59.3) | 79 (76.0) | |
T1b | 153 (40.7) | 25 (24.0) | |
Histology | 0.712 | ||
M-BAC | 54 (14.4) | 14 (13.5) | |
Mix-BAC | 8 (2.1) | 1 (1.0) | |
IMA | 314 (83.5) | 89 (85.6) | |
LN status | 0.005 | ||
Negative | 342 (91.0) | 103 (99.0) | |
Positive | 34 (9.0) | 1 (1.0) | |