TABLE 2.
Clinicopathologic differences between high and low maximum standardized uptake values (SUVmax) in metastatic lymph node (LN SUVmax) in patients with pN2 lung adenocarcinoma
| Characteristic |
LN SUVmax low (<2.46) n = 31 |
LN SUVmax high (≥2.46) n = 31 |
P value |
|---|---|---|---|
| Age, years | 65 (48‐84) | 68 (42‐86) | .041 |
| Sex | |||
| Male | 15 (48) | 21 (68) | .198 |
| Female | 16 (52) | 10 (32) | |
| Smoking history | |||
| Never smoker | 15 (48) | 10 (32) | .300 |
| Ever smoker | 16 (52) | 21 (68) | |
| CEA, ng/mL | 6.0 (1.1‐380.5) | 6.0 (1.2‐56.9) | .746 |
| Tumor size in LN, mm | 3.3 (0.5‐13.6) | 8.5 (1.0‐21.5) | <.001 |
| Metastatic N2 stations | |||
| Single | 15 (48) | 21 (68) | .198 |
| Multiple | 16 (52) | 10 (32) | |
| Extranodal extension | |||
| Absent | 22 (71) | 10 (32) | .005 |
| Present | 9 (29) | 21 (68) | |
Data are shown as n (%) or median (range).
Abbreviations: CEA, carcinoembryonic antigen; LN, lymph node; SUV, standardized uptake value.