Background
Methods
Study design
Setting
Participants
Sampling
Materials
Statistical methods
Results
Gender | N (%) |
---|---|
Male | 28 (57.0%) |
Female | 16 (33.0%) |
NA | 5 (10.0%) |
Mean age | 62.0 ± 17.1 years |
Diagnosis | |
Sepsis | 15 (30.6%) |
Hypovolemic shock | 4 (8.2%) |
Trauma | 4 (8.2%) |
Respiratory failure | 3 (6.1%) |
Severe burn injury | 3 (6.1%) |
Cardiogenic shock | 4 (8.2%) |
Other | 11 (22.4%) |
NA | 5 (10.2%) |
Instrument comparisons
Estimate (Ratio) | 95% CI | p-value | |
---|---|---|---|
ICU patients | |||
Arterial | |||
LP2.1 vs ABL | 1.03 | 0.99 to 1.08 | 0.140 |
LP2.2 vs ABL | 1.04 | 0.99 to 1.09 | 0.102 |
LP2.2 vs LP2.1 | 1.004 | 0.96 to 1.05 | 0.871 |
Venous | |||
LP2.1 vs ABL | 1.29 | 1.24 to 1.35 | < 0.001 |
LP2.2 vs ABL | 1.29 | 1.23 to 1.35 | < 0.001 |
LP2.2 vs LP2.1 | 0.998 | 0.96 to 1.04 | 0.938 |
Healthy volunteers | |||
Arterial, LP2 vs ABL | 0.96 | 0.93 to 1.002 | 0.063 |
Venous, LP2 vs ABL | 1.07 | 1.03 to 1.11 | 0.001 |
Sample site comparisons
Estimate (Ratio) | 95% CI | p-value | |
---|---|---|---|
ICU patients | |||
Finger LP2.1 vs Arterial LP2.1 | 1.47 | 1.29 to 1.68 | < 0.001 |
Earlobe LP2.1 vs Arterial LP2.1 | 1.27 | 1.11 to 1.45 | < 0.001 |
Finger LP2.2 vs Arterial LP2.2 | 1.85 | 1.55 to 2.21 | < 0.001 |
Earlobe LP2.2 vs Arterial LP2.2 | 1.22 | 1.03 to 1.46 | 0.024 |
Finger LP2.1 vs Venous LP2.1 | 1.14 | 1.01 to 1.30 | 0.040 |
Earlobe LP2.1 vs Venous LP2.1 | 0.99 | 0.87 to 1.12 | 0.871 |
Finger LP2.2 vs Venous LP2.2 | 1.43 | 1.20 to 1.69 | < 0.001 |
Earlobe LP2.2 vs Venous LP2.2 | 0.95 | 0.80 to 1.13 | 0.569 |
Healthy volunteers | |||
Finger vs arterial | 1.14 | 1.04 to 1.24 | 0.003 |
Earlobe vs arterial | 0.98 | 0.90 to 1.06 | 0.568 |