In the last 211 best of 7 series the home team won game one 159 times. 140 of those teams won the series (88%).
When the team with home court advantage took a 2-0 series lead they won the series 93.3% of the time (113/121)
In the last 211 best of 7 series the road team won game one 52 times, 30 of those teams won the series (58%).
Just 10 of those 52 teams would go home with a 2-0 series lead, 7 of those teams held on and won the series (2005 Houston lost to Dallas in 7 games after winning games 1 and 2 in Dallas, and 1994 Phoenix lost to Houston in 7 games after winning games 1 and 2 in Houston.)
Of the last 211 best of 7 series, 80 have been split after 2 games. The team that began the series with the home court advantage won the series 49 times (61.3%)
In 1995 they won the first 2 games on the road of the Western Conference Finals against San Antonio, and they took the first 2 games of the Finals in Orlando. They lost the first 2 games at home in 2008 against Utah. The teams that came back after losing the first 2 games at home each won the next 3, would lose on the road in game 6, and then win game 7 at home.