Showdown percentages for full ring LO8 - 45% ??

[Grandma_DOG]

Here and there in the posts, I've seen allusions to the fact that if you don't go to showdown 45% of the time (over a statistically meaningful sample) you have a hole in your game.

And I do have a hole in my game, several, I think. I'm trying to plug them. My Poker Tracker stats say I go to showdown 38-40% (with a 1.7 aggression factor) in the .5/1 and 1/2 games. So the first question is:

1) Is the 45% rule of thumb true? And will that vary as the games increase to 2/4 10/20, etc.?

2)If true, that beckons the next question. Which category of hands do I take to showdown anyway even if I believe them beat? Yea, its a nebulous question. My instinct is the high drawing hands that failed but gave me 2 pair, probably mid and low pairs. (I already call with the top 2 if I'm at the river anyway) My thinking is I'm at the river anyway, I came here with a draw and its merely 1 BB to call. Otherwise, I just don't see taking top 2 pair from flop with no other draws all the way to river in a 3+ multiway pot if there's action.

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