Table 6: Student's t-test analysis between mean hemoglobin and mean of SpO2 of the two groups.

t-test SpO2 group N Mean Standard deviation Standard Error Mean p value
- <97 mmHg
(poor SpO2)
2 11.5 2.12 1.5 Not significant
- % 98mmHg
(better SpO2
8 12.38 1.061 0.375 Not significant