Table 2: Direct laryngoscopy related data analyzed by unpaired t test using INSTAT software. (N- total number, SD – standard deviation, CI- confidence interval, C&L- Cormack-Lehane).

Parameters On Horseshoe Headrest (N=4) Lateral Followed by the Head Beyond Operating Table (N=1)
Range Mean ± SD Median 95% CI Mean ± SD Median
No. of attempt 1 - 3 2.0 ± 0.81 2 0.70 – 3.29 4 ± 0.00 4
C & L view 2 -3 2.25 ± 0.50 2 1.45 – 3.04 3 ± 0.00 3