In the study by Widuchowski et al(14), some type of chondral lesion was found in 60% of the knees operated, of which 67% were classified as osteochondral or chondral lesions, 29% as osteoarthritis, 2% as osteochondritis dissecans and 1% as other types.
Your account balance, also referred to as your current balance, is the total balance on your account, including any activity since your last statement. That last bit of the definition is probably the best way to differentiate the pair.
If the debit side is larger, then the account has a debit balance; if the credit side is larger, the account has a credit balance. The account balances represent the financial condition of the business as of a specific date, and are reported on in the balance sheet.