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. 2020 Oct 12;66(3):307–314. doi: 10.1038/s10038-020-00849-y

Table 2.

The mean of age onset of each group

Gene variant n (%) Age at onset (year) Pairwise comparison p value
Mean ± SD Range BRCA1+ BRCA2+ BRCA1/2−
BRCA1+ 481 43.6 ± 12.5 21–99 –
BRCA2+ 473 45.2 ± 11.1 19–84 0.0175 –
BRCA1/2− 2937 48.8 ± 12.6 17–95 <0.001 <0.001 –

SD standard deviation