Table 3 Main variables in Propensity-matched Patients
Variable | NS group (n = 148) | Heparin group (n = 148) | P value |
|---|---|---|---|
Duration of AC (hours) | 58.3 ± 31.4 | 62.1 ± 41.4 | 0.4 |
Manipulations | |||
Mobilization (n, %) | 12, 8.1% | 7, 4.7% | 0.2 |
Flushing(n, %) | 148, 100% | 148, 100% | – |
Number of flushing (times) | 33.7 ± 8.8 | 32.1 ± 7.8 | 0.1 |
Both manipulation (times) | 8, 5.4% | 4, 2.7% | 0.2 |
Reasons for removal | |||
AC occlusion (n, %) | 5, 3.4% | 3, 2.0% | 0.5 |
Discharge from ICU (n, %) | 148, 100% | 145, 98.0% | 0.1 |
Patient’s death (n, %) | 0 | 1, 0.7% | 0.3 |
HIT (n, %) | 0 | 3, 2.0% | 0.1 |
Condition of the AC at removal | |||
Patency (n, %) | 148, 100% | 146, 98.6% | 0.2 |
Reliability of AP (n, %) | 148, 100% | 146, 98.6% | 0.2 |
Acceptable waveform (n, %) | 148, 100% | 146, 98.6% | 0.2 |
Cannulae size | 0.2 | ||
20 G, diameter: 1.1 mm (n, %) | 82, 55.4% | 71, 48.0% | |
22 G, diameter: 0.9 mm (n, %) | 44, 29.7% | 49, 33.1% | |
24 G, diameter: 0.7 mm (n, %) | 22, 14.9% | 28, 18.9% | |
ICU stay time (hours) | 60.3 ± 37.8 | 62.2 ± 43.1 | 0.6 |
Deep venous thrombosis (n, %) | 9, 6.1% | 5, 3.4% | 0.3 |