Table 9. Studies showing the effects of saturated fat on breast cancer.

Study type	Reference	Findings	HR/OR/RR ( 95% CI)
Meta-analysis	Brennan et al. (2017) [18]	An increased risk of breast cancer-specific death.	HR= 1.63 (CI= 1.19-2.24)
Meta-analysis	Smith-Warner et al. (2001) [19]	An increased risk of breast cancer incidence with the substitution of saturated fat with carbohydrates (weak association)	RR= 1.09 (CI= 1.00-1.19)
Meta-analysis	Boyd et al. (2003) [20]	An increased risk of breast cancer incidence.	RR= 1.19 (CI= 1.06-1.35)
Meta-analysis	Xia et al. (2015) [21]	An increased risk of breast cancer incidence.	OR=1.33 (CI= 1.02-1.73)
Meta-analysis	Lodi et al. (2022) [17]	An increased risk of breast cancer incidence.	RR=1.12 (CI= 1.03-1.21)
Cohort	Sieri et al. (2014) [26]	An increased risk of breast cancer incidence.	HR=1.28 (CI= 1.09-1.52)
Case-control	Sofi et al. (2018) [27]	An increased risk of breast cancer incidence.	OR=3.4 (CI= 1.4-8.1)