Group MR (With MR) n=52 Group Non-MR (Without MR) n=48 p-value
Age (yrs) 37.6(12) 35.9(12) 0.5
Weight (kgs) 62.2(11) 61(11) 0.5
Sex
Male 28(53.8) 30(62.5) 0.4
Female 24(46.2) 18(37.5)  
Duration of surgery (min) 207(73) 217(81) 0.5
Duration of attempts (sec) 50(16) 68.3(31) 0.0001
Number of attempts 1.1(0.3) 1.5(0.6) 0.0001
Total intubation time (sec) 60.1(37) 133(100) 0.0001
Airway pressure (cm H2O) 16.4(2.5) 16.5(2.8) 0.82
End tidal carbondioxide 33.2(1.8) 33.7(2.1) 0.23
Surgical position
Prone 47(90.4) 45(93.8) 0.6
Supine 4(7.7) 3(6.3)  
Others 1(1.9) 0(0)  
Table 1: Table showing Demographic and intraoperative data [Mean (SD)].