Table 2 Pulse oximetry monitoring results in ex-/non-smokers (n = 39)
From: Ambulatory pulse oximetry monitoring in Japanese COPD outpatients not receiving oxygen therapy
Daytime | Nighttime | |
|---|---|---|
Monitoring duration (hours) | ||
Mean ± SD | 14.5 ± 3.7 | 8.5 ± 3.0 |
Proportion of SpO2 values < 90% (%) | ||
Mean ± SD | 3.0 ± 5.5 | 7.4 ± 16.1 |
Median (range) | 1.1 (0.0–28.1) | 1.3 (0.0–87.3) |
Mean SpO2 (%) | ||
Mean ± SD | 94.7 ± 1.2 | 93.7 ± 1.8 |
Median (range) | 94.9 (90.7–97.4) | 93.9 (88.8–96.8) |
Heart rate (beats/min) | ||
Mean ± SD | 76.9 ± 10.6 | 69.0 ± 9.0 |
Median (range) | 75.0 (49.4–101.0) | 68.2 (49.4–87.1) |