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Table 1 Comparison of participants’ characteristics between cases and controls

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

Characteristics Breast cancer group (N = 72) Healthy controls (N = 36) P-value OR (95% CI)
Age (Year) 48.86 ± 10.95 48.97 ± 9.22 0.76
HPV Presence 35 (48.6%) 5 (16.1%) 0.003 4.92 (1.70–14.24)
Absence 37 (51.4%) 26 (83.9%)  
Stage of Cancer Ia, Ib 2 (2.7%), 9 (12.5%)
IIa, IIb 20 (27.8%), 19 (26.3%)
IIIa, IIIb, 5 (6.9%), 9 (12.5%),
IIIc 6 (8.3%)
IV 2 (2.7%)
Type of Cancer Ductal 32 (44.4%)
Lobular 20 (27.8%)
Medullary 9 (12.5%)
Tubular 8 (11.1%)
Mucinous 3 (4.2%)
Genotype Negative (−) 35 (48.6%) 26 (83.9%) 0.037
HPV-18 16 (22.2%) 3 (9.7%)
HPV-16 13 (18.1%) 2 (6.5%)
HPV-33 4 (5.6%)
HPV-11 3 (4.2%)
HPV-6 1 (1.4%)