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.
accounts receivable - net. The combined amount of the debit balance in the current asset account Accounts Receivable and the credit balance in the contra asset account Allowance for Doubtful Accounts. The difference between the balances in these two accounts is an approximation of the amount of the accounts receivable that is likely to turn to cash (be collected).