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Pain Research and Management
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Pain Research and Management
/
2019
/
Article
/
Tab 1
/
Clinical Study
Postoperative Analgesic Effects of Different Doses of Epidural Hydromorphone Coadministered with Ropivacaine after Cesarean Section: A Randomized Controlled Trial
Table 1
Demographic and obstetric data.
Group H0 (
)
Group H1 (
)
Group H2 (
)
Group H3 (
)
Age (years)
32 ± 4
32 ± 4
33 ± 3
33 ± 3
Weight (kg)
71 ± 6
69 ± 6
69 ± 8
70 ± 7
Height (cm)
162 ± 4
161 ± 3
160 ± 4
160 ± 4
BMI (kg/m
2
)
27 ± 2
27 ± 2
27 ± 2
27 ± 3
Gestation (weeks)
38 ± 1
38 ± 2
38 ± 1
38 ± 1
Operation time (min)
47 ± 9
45 ± 10
44 ± 13
41 ± 9
Data are mean ± SD. BMI = body mass index.