fitresult{1}

ans =

     General model:
     ans(x) = 1 + (a1 * x^2)/(x^2 - L1^2) + (a2 * x^2)/(x^2 - L2^2) + (a3 * x^2)
                    /(x^2 - L3^2)
     Coefficients (with 95% confidence bounds):
       L1 =       97.33  (-8.497e+06, 8.497e+06)
       L2 =       97.34  (-1.815e+07, 1.815e+07)
       L3 =       97.34  (-2.611e+07, 2.611e+07)
       a1 =      0.5567  (-1.841e+05, 1.841e+05)
       a2 =      0.3352  (-1.742e+05, 1.742e+05)
       a3 =      0.3817  (-1.977e+05, 1.977e+05)
>> ci = confint( fitresult{1} , .68 );
>>
>> ci

ci =

   1.0e+07 *

   -0.4085   -0.8723   -1.2551   -0.0088   -0.0084   -0.0095
    0.4085    0.8723    1.2552    0.0088    0.0084    0.0095

>>