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.
Your available balance is the most current record we have about the funds that are available for withdrawal from your account. Your available balance includes: All deposits and withdrawals we have posted to your account. It is adjusted throughout the day as we authorize or receive notice of pending transactions.