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. 2013 Dec 6;8(12):e82769. doi: 10.1371/journal.pone.0082769

Table 3. Frequency of ATM protein expression in subgroups according to microsatellite instability (MSI) status and ATM intron mutation.

ATM IHC
MSI ATM mutation N Negative Positive
Negative Negative 497 68 (13.7%) 429 (86.3%)
Positive 24 4 (16.7%) 20 (83.3%)
Subtotal 521 72 (13.8%) 449 (86.2%)
Positive Negative 23 7 (30.4%) 16 (69.6%)
Positive 52 33 (63.5%) 19 (36.5%)
Subtotal 75 40 (53.3%) 35 (46.7%)
Negative 520 75 (14.4%) 445 (85.6%)
Positive 76 37 (48.7%) 39 (51.3%)
Total 596 112 (18.8%) 484 (81.2%)