Table 4 Comparison of blood oxygen saturation at four points among the four groups
Control group | Audio group | Visual group | Combination group | P-value | ||
|---|---|---|---|---|---|---|
Pre-EGD (5 min after sitting on the sofa) (%) | Mean | 98.2 | 98.1 | 98.3 | 98.5 | NS |
SD | 1.4 | 0.9 | 1.2 | 1.1 | ||
Max | 100 | 100 | 100 | 100 | ||
Min | 93 | 95 | 94 | 96 | ||
Pre-EGD (15 min after sitting on the sofa) (%) | Mean | 98.5 | 98.3 | 98.2 | 98.5 | NS |
SD | 1.1 | 1.0 | 1.3 | 0.9 | ||
Max | 100 | 100 | 100 | 100 | ||
Min | 95 | 96 | 94 | 96 | ||
Early half of EGD (%) | Mean | 98.2 | 98.3 | 98.4 | 98.6 | NS |
SD | 1.6 | 1.0 | 1.3 | 1.2 | ||
Max | 100 | 100 | 100 | 100 | ||
Min | 91 | 95 | 93 | 95 | ||
Latter half of EGD (%) | Mean | 98.7 | 98.6 | 98.8 | 98.8 | NS |
SD | 1.5 | 1.1 | 1.2 | 1.2 | ||
Max | 100 | 100 | 100 | 100 | ||
Min | 92 | 96 | 95 | 95 | ||
5 min after the end of EGD (%) | Mean | 97.9b | 98.1b | 98.2 | 98.6a | < 0.01 |
SD | 1.5 | 1.0 | 1.2 | 1.0 | ||
Max | 100 | 100 | 100 | 100 | ||
Min | 94 | 96 | 95 | 95 |