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. 2012 Sep 24;15(2):142–148. doi: 10.1111/j.1477-2574.2012.00563.x

Table 7.

Kaplan–Meier survival curves, number at risk

Month 0 Month 20 Month 40 Month 60
Benign, readmitted 15 5 4 1

Benign, not readmitted 50 30 18 1

Malignant, readmitted 35 20 8 1

Malignant, not readmitted 157 49 16 5