B S.E. Wald df Sig. Exp(B) 95% C.I. for EXP(B) MetHb≧ 0.8% 2.972 1.132 6.900 1 0.009 19.540 2.127 – 179.54 GCS -0.355 0.163 4.725 1 0.030 0.701 0.509 – 0.966 CI indicates confidence interval; MetHb, methemohemoglobin; GCS, Glasgow Coma Scales

Table 4: Multivariate regression of relationship for development of DNS