Table 1:

NAA/Cr and Cho/Cr ratios before and after surgerya

Before SurgeryAfter SurgeryP Value
NAA/Cr ratio
    Ipsilateral hemisphere1.654 ± 0.1951.660 ± 0.228.2819
    Contralateral hemisphere1.720 ± 0.1771.718 ± 0.190.9694
Cho/Cr ratio
    Ipsilateral hemisphere0.895 ± 0.1090.888 ± 0.104.3132
    Contralateral hemisphere0.868 ± 0.0930.867 ± 0.095.8760
  • a Values are expressed as means.