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. 2013 Mar 1;8(3):e57361. doi: 10.1371/journal.pone.0057361

Figure 1. Kaplan-Meier survival curves for 5-year breast cancer-specific survival by annual household income (HI) of the patients.

Figure 1

Log-rank test: P < 0.05. Within this follow-up period, 38 of the 173 patients (22%) died from breast cancer.