Audit regulators found deficiencies in 23 of the KPMG LLP audits they evaluated in their latest annual inspection of the Big Four accounting firm’s work.

The 23 deficient audits the Public Company Accounting Oversight Board found in its 2013 inspection of the firm, released Thursday, were out of 50 audits or partial audits conducted by KPMG that the PCAOB evaluated—a deficiency rate of 46%. In the previous year’s inspection, the PCAOB found deficiencies in 17 of 50 KPMG audits inspected, or 34%.

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