Table 2 Logistic models for pruritus

 Model 1a

Higher age (<35y)

1.408

(0.697~2.118)

 Model 1b

Local anesthetics (ropivacaine)

1.345

(0.613~2.077)

 Model 1c

Morphine concentration (continuous)

1.084***

(1.046~1.121)

 Model 1d

ASA score (1)

0.877

(0.564~1.190)

 Model 1e

Twin pregnancy (single)

1.393

(0.500~2.286)

 Model 1f

Gestational diabetes (No)

0.874

(0.425~1.323)

 Model 1 g

Hypertension (No)

0.79

(0.194~1.385)

 Model 1 h

Term delivery (No)

0.836

(0.459~1.213)

 Model 1i

Assisted reproductive treatment (No)

2.561**

(1.694~4.427)

 Model 1j

Primipara (No)

0.565***

(0.372~0.758)

 Model 1 k

Cesarean section history (No)

1.504**

(1.064~2.043)

 Model 1 l

BMI (continuous)

0.962

(0.912~1.013)

 Model 1 m

Pain level mild (none)

1.035

(0.623~1.447)

 Model 1n

Pain level moderate (none)

0.983

(0.251~1.714)

Morphine concentration

1.166***

(1.121~1.212)

Pain level mild (none)

1.041

(0.583~1.498)

Pain level moderate (none)

0.642

(0.087~1.197)

Local anesthetics (ropivacaine)

1.058

(0.388~1.727)

Assisted reproductive treatment (No)

5.897***

(1.086~10.709)

Primipara (No)

0.427***

(0.260~0.594)

Morphine concentration

1.014

(0.834~1.194)

Pain level mild (none)

22.153***

(15.132~29.173)

Pain level moderate (none)

3.047

(0.932~10.025)

Local anesthetics (ropivacaine)

5.227

(0.174~27.627)

Assisted reproductive treatment (No)

5.137***

(2.159~8.115)

Primipara (No)

0.424***

(0.256~0.592)

Morphine concentration: ropivacaine: pain level none

1.214*

(1.071~1.456)

Morphine concentration: levobupivacaine: pain level none

1.072

(0.867~1.276)

Morphine concentration: ropivacaine: pain level mild

1.163

(0.940~1.387)

Morphine concentration: levobupivacaine: pain level mild

1.014

(0.843~1.185)

Morphine concentration: ropivacaine: pain level moderate

1.114*

(1.018~1.251)

Morphine concentration: levobupivacaine: pain level moderate

NA

NA