The problem with the numbers, was most of the losses were in the Rifle companies, so you had a lot of churn, and the FNGs and the Vets didn't mesh well in the Unit by end of the WarFor example the 29th Infantry Division entered combat on D-Day as one of the assault divisions at Omaha Beach. The division spent 242 days in combat and experienced 3887 KIA, 15541 WIA, 347 MIA, and 845 captured from D-Day to VE-Day.
The US Replacement Depots did almost as the Germans in hurting unit cohesion, by sending guys fresh off the boat or from a support company that hadn't fired a gun since Boot in '42, right into the front, with zero acclimation