Table 4.

Relationship between Two types of anaesthesia and LOS > 6 Days

Outcome	LOS > 6 Days OR(95%CI) P-value
Anaesthesia	Crude Model	Model I	Model II
RA	Reference	Reference	Reference
GA	1.33 (1.08, 1.64) 0.0084	1.51 (1.21, 1.87) 0.0003	1.45 (1.15, 1.84) 0.0016

Model I adjusted for age, sex, ethnicity

Model II adjusted for age, sex, ethnicity, BMI,ASA Status, Hb, duration of surgery, smoking, OSA, DM, IHD, CCF, CVA, Creatinine > 2 mg/dl, DM on insulin, Day of week of operation

Abbreviations: LOS Length of stay, GA General anaesthesia, RA Regional anaesthesia, OR Odds ratio, CI Confidence interval