Audit regulators found 28 deficient audits at KPMG LLP in its latest annual inspection of the Big Four accounting firm, an increase from the level of problems found a year ago.

The 28 deficient audits were out of 52 KPMG audits and partial audits reviewed by the Public Company Accounting Oversight Board in its annual inspection report issued Tuesday, for a deficiency rate of 54%. That is up from a year ago, when PCAOB inspectors found 23 deficient audits out of 50 reviewed, for a rate of 46%.

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