showed a trendP = .058
At 600 mJ, tissue effects were observed in 20.8% at 60 ms but showed a trend of lower rate (3.7%) at 150 ms (χ 2 = 3.592, P = .058).
At 600 mJ, tissue effects were observed in 20.8% at 60 ms but showed a trend of lower rate (3.7%) at 150 ms (χ 2 = 3.592, P = .058).