The 2012 Presidential Election in Ohio by 2022-2032* State Legislative Districts, the last time a Presidential Election in OH will Likely Be Competitive, resulted in Obama winning the state by 2.98% and Carrying 17/33 SDs to Romney's 16/33 SDs, & 48/99 HDs to Romney's 51/99 HDs.
Whilst the Coalitions that Dems will have to use to try to win Ohio in the future - whether legislatively or statewide - will be radically different from the 2012 election, it is still a useful data point in finding the clearest path to a win, even if it does not show it itself