Table 4 Comparison of the duration of catheterization and incidence rates of complications
historic control group | PDCA group | Z | P value | |
|---|---|---|---|---|
Duration of catheterization [min, M (Q25, Q75)] | 9(6.25, 13.00) | 4(3, 5) | Z = -5.214 | 0.000 |
Incidence of complications [cases, n (%)] | 4(20%) | 0(0%) | —a | 0.013 |
Inadvertent arterial puncture | 1(5%) | 0(0%) | ||
Bleeding or haematoma | 3(15%) | 0(0%) | ||
Pneumothorax, haemothorax or chylothorax | 0(0%) | 0(0%) | ||
Catheter-associated infection | 0(0%) | 0(0%) |