Fig 1.
Flowchart.
Table 1.
Characteristics of patients.
Table 2.
Time required for and pain and anxiety related to arterial punctures.
Fig 2.
Most painful moment during arterial puncture.
Distribution of the most painful time during the arterial punctures for each needle size (p = 0.0348).
Table 3.
Multivariate analysis: independent pain-related variables.
Fig 3.
Correlations between anxiety and pain.
(A) Correlation between anxiety prior to the arterial punctures and pain (rho:0.3694, p<0.001), (B) Correlation between the pain experienced during the arterial punctures and the anxiety experienced with respect to future arterial punctures (rho:0.5124, p<0.001), (C) Correlation between the anxiety experienced prior to the arterial punctures and the anxiety experienced with respect to future arterial punctures (rho:0.461, p<0.001).