Table 2: Perioperative means (SD) of peripheral oxygen saturation.

Variables Measured Groups
LMA
(N=45)
NPA
(N=45)
T-test
t P-Value
Baseline Spo2% 96.94 ± 2.57 97.18 ± 2.64 0.437 0.663
Lowest Spo2% 86.38 ± 3.53 91.72 ± 3.98 6.734 <0.001**
Change in Spo2% 11.11% 4.44%
Desaturation Patients n (%) 19(42.22%) 7(15.56%) 7.788 0.005*

Spo2, peripheral oxygen saturation, *P < 0.05 is considered significant, * P < 0.001 is considered highly significant.