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Table 2 Incidence of postoperative adverse reactions in the three groups. There were significant differences in the incidence of pruritus among the three groups

From: Different doses of nalmefene combined with hydromorphone hydrochloride for postoperative analgesia after colorectal surgery: a randomized controlled study

 

Group N1

(2 µg/kg)

(n = 31)

Group N2

(0.5 µg/kg)

(n = 31)

Group C

(n = 31)

χ2 value

Fisher exact test

P value

Nausea %

7(4.5)

13(8.4)

12(7.7)

2.081

 

0.353

Vomiting %

3(1.9)

1(0.6)

2(1.3)

 

1.044

0.875

Pruritus %

0(0)

0(0)

4(2.6)

 

5.706

0.036

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BMC Surgery

ISSN: 1471-2482

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