Look at your return --- if you used standard deduction , then you ignore this 1098 difference. If you used itemized deduction, then you may have to file an amended return reconciling the difference. See below:
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single under 65 $12,000
65 or older $13,600
head of household under 65 $18,000
65 or older $19,600
married, filing jointly*** under 65 (both spouses) $24,000
65 or older (one spouse) $25,300
65 or older (both spouses) $26,600
married, filing separately any age $ 12000
qualifying widow(er) under 65 $24,000
65 or older $25,300