Age
Pre-Repair
Post-Repair
Z
P-value
TT ng/dl
<30 yrs
31 - 40 yrs
>40 yrs
298 ± 0.15
278 ± 0.47
282 ± 0.42
488 ± 0.48
447 ± 0.69
435 ± 0.70
−2.524
−2.51
−2.521
0.012