Skip to main content

Table 1 Characteristics of participants

From: Pruritus after continuous administration of epidural morphine for post-cesarean delivery analgesia: a case control study

 

Full Sample (N=603)

n(%)

Pruritus (N=201)

n(%)

Control (N=402)

n(%)

p

Age (mean (SD))

 

29.08 (4.26)

29.71 (4.03)

28.77 (4.34)

0.011

Higher age

< 35y

531 (88.1)

172 (85.6)

359 (89.3)

0.231

>= 35y

72 (11.9)

29 (14.4)

43 (10.7)

 

Local anesthetics

ropivacaine

541 (89.9)

176 (88.0)

365 (90.8)

0.354

levobupivacaine

61 (10.1)

24 (12.0)

37 (9.2)

 

Morphine concentration (median [IQR])

 

20.00 [20.00, 30.00]

25.00 [20.00, 30.00]

20.00 [20.00, 25.00]

< 0.001

ASA score

I

390 (64.7)

134 (66.7)

256 (63.7)

0.527

II

213 (35.3)

67 (33.3)

146 (36.3)

 

Twin pregnancy

single

561 (93.0)

184 (91.5)

377 (93.8)

0.396

twin

42 (7.0)

17 (8.5)

25 (6.2)

 

Gestational diabetes

No

525 (87.1)

177 (88.1)

348 (86.6)

0.699

Yes

78 (12.9)

24 (11.9)

54 (13.4)

 

Hypertension

No

568 (94.2)

191 (95.0)

377 (93.8)

0.666

Yes

35 (5.8)

10 (5.0)

25 (6.2)

 

Term delivery

No

98 (16.3)

36 (17.9)

62 (15.4)

0.507

Yes

505 (83.7)

165 (82.1)

340 (84.6)

 

Assisted reproductive treatment

No

572 (94.9)

184 (91.5)

388 (96.5)

0.016

Yes

31 (5.1)

17 (8.5)

14 (3.5)

 

Primipara

No

282 (46.8)

113 (56.2)

169 (42.0)

0.001

Yes

321 (53.2)

88 (43.8)

233 (58.0)

 

Cesarean section history

No

414 (68.7)

126 (62.7)

288 (71.6)

0.032

Yes

189 (31.3)

75 (37.3)

114 (28.4)

 

BMI (median [IQR])

 

26.70 [24.70, 28.90]

26.50 [24.60, 28.80]

26.80 [24.70, 29.10]

0.402

Pain level

None

149 (24.8)

49 (24.4)

100 (24.9)

0.978

Mild

413 (68.6)

139 (69.2)

274 (68.3)

 

Moderate

40 (6.6)

13 (6.5)

27 (6.7)

Â