Fig. 2 | Scientific Reports

Fig. 2

From: Trace element imbalances in selenium and mercury in relation to mammographic density and breast cancer progression: a case‒control study

Fig. 2

Distribution of study participants and baseline characteristics. (a) Sample distribution showing the proportions of controls (n = 215) and patients with breast cancer (n = 285). (b) Tumor stage distribution among breast cancer patients (T-I to T-IV). (c) Comparison of the mean age (in years) between controls and breast cancer patients. (d) Comparison of the mean body mass index (BMI, kg/m²) between controls and breast cancer patients. The data are presented as the means ± SDs. p values were obtained via Welch’s t test.

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