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Table 3 Comparison of participants’ characteristics between HPV positive and HPV negative groups in breast cancer cases

From: Human papilloma virus and breast cancer: the role of inflammation and viral expressed proteins

Characteristics HPV+ HPV- P-value OR (95% CI)
Age (Year) 48.00 ± 11.11 49.46 ± 9.99 0.49
Stage of Cancer I 4 (11.5%) 7 (18.9%) Ref. Ref.
II 15 (42.8%) 24 (64.9%) 0.89 1.09 (0.27–4.38)
III 14 (40%) 6 (16.2%) 0.076 4.08 (0.86–19.37)
IV 2 (5.7%) 0 0.22 NA
Type of Cancer Tubular 5 (14.3%) 3 (8.1%) Ref. Ref.
Ductal 16 (45.7%) 16 (43.2%) 0.53 0.60 (0.12–2.94)
Medullary 4 (11.4%) 5 (13.5%) 0.46 0.48 (0.06–3.35)
Lobular 10 (28.6%) 10 (27%) 0.55 0.60 (0.11–3.21)
Mucinous 0 3 (8.1%) 0.15 NA
Genotype Negative (−) 0 61 (96.8%) < 0.001 NA
HPV-18 18 (45%) 1 (1.6%) Ref. Ref.
HPV-16 15 (37.5%) 0 0.58 NA
HPV-33 4 (10%) 0 0.85 NA
HPV-11 2 (5%) 1 (1.6%) 0.17 0.11 (0.005–2.55)
HPV-6 1 (2.5%) 0 0.44 NA
  1. Ref: reference level for the categorical variable, NA: not applicable