Table 2 Arterial blood gas measurements in 1-hour periods
Hours of observation | GA 23 − 28 | GA 29 − 37 | GA 38 − 41 | GA > 41 | Total hours observation |
|---|---|---|---|---|---|
n (%) | n (%) | n (%) | n (%) | n (%) | |
Total hours of observation | 1624 (100) | 1480 (100) | 1112 (100) | 762 (100) | 4978 (100) |
1-hour blocks with listed arterial blood gases | 442 (27) | 297 (20) | 262 (24) | 169 (22) | 1170 (24) |
1-hour blocks without listed arterial blood gases | 182 (73) | 183 (80) | 850 (76) | 593 (78) | 3808 (76) |