Creatinine in the blood was an important indicator for judging the degree of damage sustained by the kidney.

The higher the amount of creatinine found in the blood indicated the higher degree of kidney damage.

For a normal adult, the amount of creatine in the blood generally should be below a hundred and thirty-three. Any number above this value indicated that the kidney had already sustained some damage.

Once the creatinine amount exceeded four hundred and fifty, it could be determined to be