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Table 3 Association between M1 and M2 macrophages number within cancer islets and stroma and clinicopathological characteristics

From: Distribution of M1 and M2 macrophages in tumor islets and stroma in relation to prognosis of non-small cell lung cancer

  M1 macrophages M2 macrophages
Islets Stroma Islets Stroma
Gender:
 Female 33.5 (10–47) 71 (44–100) 16.5 (4–41) 80.5 (43–112)
 Male 26 (10–67) 72 (38–111) 22 (4–54) 89.5 (40–167)
Age (years):
 < 65 29 (10–67) 72 (38–108) 24 (4–40) 90 (40–112)
 ≥ 65 26 (10–47) 72 (41–111) 19 (4–54) 87 (43–167)
Smoking status:
 Smokers 26 (10–67) 74 (38–111)* 22.5 (4–54) 90 (40–167)*
 Non-smokers 32 (10–47) 58 (42–100) 17.5 (4–41) 78.5 (43–104)
Histological NSCLC type:
 Adenocarcinoma 33.5 (10–51)*# 64.5 (41–111) 22 (4–40) 86.5 (43–115)
 Squamous cell carcinoma 22.5 (10–67) 75.5 (48–101) 20.5 (5–54) 93.5 (40–167)
 Other 27.5 (23–47) 69 (38–100) 24.5 (11–41) 89 (60–99)
Stage:
 IA-IB 26 (10–45) 66 (41–111) 20 (4–35) 95 (60–167)
 IIA-IIB 29 (10–45) 72 (43–108) 23 (4–54) 86 (53–119)
 IIIA-IIIB 29 (11–67) 76 (38–101) 20 (5–39) 91 (40–109)
pT status:
 pT1a-2b 29 (10–47) 71 (41–111) 21.5 (4–54) 87.5 (53–167)
 pT3–4 24 (11–67) 75 (38–108) 21 (4–41) 86.5 (40–108)
Lymph node status:
 Negative (N0) 26 (10–45) 64 (41–111)* 20 (4–41) 90 (60–167)
 Positive (N1-N3) 29 (11–67) 77 (38–101) 22 (5–54) 87 (40–119)
Differentiation:
 Poor 26.5 (10–67) 71 (41–111) 23.5 (4–54) 92.5 (43–167)
 Well-moderate 29 (10–51) 72.5 (38–101) 19 (4–40) 87 (40–119)
COPD:
 Present 26 (10–67) 68.5 (38–111) 22 (4–41) 87 (40–115)
 Absent 29 (15–51) 77 (43–101) 19 (4–54) 90.5 (51–167)
  1. The number of macrophages represents median (range) per ten high-power fields in tumor islets or tumor stroma
  2. #P < 0.05, Kruskal-Wallis test
  3. *P < 0.05, Mann-Whitney test for difference between adenocarcinoma and squamous cell carcinoma