a decreasing trendP < 0.01
The log-rank trend test indicated that there is a decreasing trend on the rate of 24-h mortality from WBR1 to WBR4 ( P < 0.01).
The log-rank trend test indicated that there is a decreasing trend on the rate of 24-h mortality from WBR1 to WBR4 ( P < 0.01).