From: Expression and prognostic analyses of the significance of STEAP1 and STEAP2 in lung cancer
Pathological features | N | STEAP1 | χ2 | P | |
---|---|---|---|---|---|
High expression | Low expression | ||||
 |  | n (%) | n (%) |  |  |
Age | Â | 2.721 | 0.099 | ||
 ≤60 | 130 | 116 (89.2) | 14 (10.8) |  |  |
 >60 | 128 | 105 (82.0) | 23 (18.0) |  |  |
Sex | Â | 0.433 | 0.510 | ||
 Male | 159 | 138 (86.8) | 21 (13.2) |  |  |
 Female | 99 | 83 (83.8) | 16 (16.2) |  |  |
TNM clinical stages | Â | 23.668 | 0.000 | ||
 I and II stages | 108 | 79 (73.1) | 29 (26.9) |  |  |
 III and IV stages | 150 | 142 (94.7) | 8 (5.3) |  |  |
Histological type |  | 0.520※ | 0.974※ | ||
 Squamous carcinoma | 121 | 103 (85.1) | 18 (14.9) | 11.140# | 0.004# |
  I grade | 32 | 18 (56.3) | 14 (43.7) |  |  |
  II grade | 48 | 36 (75.0) | 12 (25.0) |  |  |
  III grade | 41 | 37 (90.2) | 4 (9.8) |  |  |
 Adenocarcinoma | 112 | 96 (85.7) | 16 (14.3) | 13.684* | 0.008* |
  Lepidic-predominant | 25 | 13 (52.0) | 12 (48.0) |  |  |
  Acinar-predominant | 21 | 13 (61.9) | 8 (38.1) |  |  |
  Papillary-predominant | 19 | 12 (63.2) | 7 (36.8) |  |  |
  Solid-predominant | 24 | 21 (87.5) | 3 (12.5) |  |  |
  Micropapillary-predominant | 23 | 21 (91.3) | 2 (8.7) |  |  |
 Adenosquamous carcinoma | 25 | 21 (84.0) | 4 (16.0) |  |  |
Lymphatic metastasis | Â | 32.066 | 0.000 | ||
 N0 | 95 | 66 (69.5) | 29 (30.5) |  |  |
 N+ | 163 | 155 (95.1) | 8 (4.9) |  |  |