Table 4 Correlation between knowledge and attitudes subdomains of PCA

1. Total

–

2. (K) Basic configuration of PCA equipment

.34

(<.001)

–

3. (K) Opioid analgesics

.50

(<.001)

.20

(.033)

–

4. (K) Confirmation and management while using PCA

.12

(.211)

−.00

(.976)

−.00

(.922)

–

5. (A) Education on how to use PCA

.73

(<.001)

.11

(.243)

.17

(.067)

−.05

(.582)

–

6. (A) Side effects management of opioid analgesics

.55

(<.001)

−.11

(.237)

.19

(.042)

−.01

(.930)

.08

(.400)

–

7. (A) Confirmation and management of pain and PCA

.61

(<.001)

.23

(.011)

.06

(.521)

−.03

(.784)

.50

(<.001)

.10

(.318)