Coma and IQ Reduction -> Statistics?

[lamp]

I'm just wondering are there any statistics or known guidelines how many percentages of the IQ of somebody will get lost when he lies in coma for one week?

 

I always thought there are guidelines, but I recently found out that it's not so easy to predict how much somebody will lose. There are even people with high IQ's which wake up out of coma with their IQ still remaining the same, mostly children or teenagers.

 

Of course, I'm purposely excluding those cases where people suffer from brain damage because of their accident, in this case I'm simply addressing normal coma if somebody simply does not wake up out of the anesthetic.

 

I'd appreciate any information.

[Realitycheck]

Intelligence is typically measured in two ways for this purpose. Verbal intelligence is based on what the patient knows, while performance intelligence is based on how quickly/intelligently the patient reacts to stimuli.