From: Lipocalin-2 promotes NSCLC progression by activating the JAK2/STAT3 signaling pathway
 | Variables | LCN2 expression | Total | χ 2 | P value | |
---|---|---|---|---|---|---|
 |  | high | low |  |  |  |
Sex | Â | Â | Â | Â | 4.130 | 0.042* |
 | Female | 10 | 10 | 20 |  |  |
 | male | 19 | 5 | 24 |  |  |
Age (year) | Â | Â | Â | Â | 3.334 | 0.068 |
 | < 65 | 14 | 3 | 17 |  |  |
 | ≥ 65 | 15 | 12 | 27 |  |  |
T stage | Â | Â | Â | Â | 2.276 | 0.131 |
 | T1/T2 | 25 | 15 | 40 |  |  |
 | T3/ T4 | 4 | 0 | 4 |  |  |
N stage | Â | Â | Â | Â | 4.306 | 0.038* |
 | N0/Nx | 22 | 15 | 37 |  |  |
 | N1/N2/N3 | 7 | 0 | 7 |  |  |
M stage | Â | Â | Â | Â | 0.529 | 0.467 |
 | M0 | 28 | 15 | 43 |  |  |
 | M1 | 1 | 0 | 1 |  |  |
TNM stage | Â | Â | Â | Â | 2.918 | 0.088 |
 | I/ II | 24 | 15 | 39 |  |  |
 | III/IV | 5 | 0 | 5 |  |  |