Table 1: Demographic and clinical characteristics of the patients on admission to ICU.

Variables R group () F group () value Age, yr 50.63 ± 25.24 51.88 ± 20.77 0.985 Weight, kg 65.94 ± 11.89 70.06 ± 15.12 0.539 Gender*  M 7 10  F 9 6 Clinic*  Brain surgery 13 12  Internal 1 1  General surgery 1 0  Urology 0 1  Orthopaedics 1 2 APACHE II score 9.56 ± 3.83 11.94 ± 6.4 0.305 Pred. Mortality, % 12.3 ± 7.73 17.18 ± 14.4 0.243 GCS 11 ± 3.97 10.06 ± 4.74 0.669 MAP, mmHg 96.25 ± 17.43 86.63 ± 19.18 0.254 Heart rate, beats/min 93 ± 17.92 86.75 ± 25.17 0.305 Temperature, °C 36.5 ± 0.54 36 ± 0.47 0.080 sPO2, % 99 ± 0.89 97.63 ± 4.88 0.696 PaO2, mmHg 167.63 ± 57.38 199.3 ± 95.22 0.287 PaCO2 , mmHg 36.78 ± 7.96 37,14 ± 11,36 0.867 PH 7.37 ± 0.1 7.34 ± 0.12 0.381 CVP, mmHg 7.13 ± 3.86 8.38 ± 6.45 0.780 ALT, U/L 68.38 ± 65.93 37.31 ± 28.85 0.067 AST, U/L 135.93 ± 316.02 38.5 ± 22.06 0.305 BUN, mg/dL 42.75 ± 29.52 61.81 ± 79.38 0.985 SrCr, mg/dL 0.8 ± 0.3 1.35 ± 0.63 0.361

*Because the figures involved in these categories were small, statistical analysis was not deemed necessary.