Nagios numbers useless

[Björn Ekengren]

At first I found nagios to be a stable and competent program, but now I
hesitating. The problem I have is the numbers that are presented by the
availability cgi. Nowhere in the documentation can be found what the numbers
mean and nowone has been able to tell me, which renders the reports pretty
useless. Looking at the numbers below what are the number within parantheses
and what does "Time Undetermined" mean ?
 
Host	 % Time Up	 % Time Down	 % Time Unreachable	 % Time
Undetermined	
host A	 68.229% (68.235%)	 31.762% (31.765%)	 0.000% (0.000%)
0.009%	
host B	 15.033% (99.259%)	 0.112% (0.741%)	 0.000% (0.000%)
84.855%	
host C	 77.930% (77.937%)	 22.061% (22.063%)	 0.000% (0.000%)
0.009%	
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