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Table 3 Comparison of postoperative RSS scores among study and control group [ µ ± s, points ]

From: Intravenous patient-controlled analgesia versus epidural anesthesia in the treatment of patients undergoing total hip arthroplasty: a retrospective comparative study

Group

N

4 h

8 h

12 h

24 h

48 h

PCIA

90

2.95 ± 1.34

2.98 ± 0.44

2.78 ± 0.65

2.49 ± 1.03

2.39 ± 0.44

PCEA

110

2.05 ± 0.31

2.15 ± 0.33

2.18 ± 0.43

2.05 ± 0.15

2.01 ± 0.12

t

 

6.827

15.232

7.816

4.425

8.676

P

 

≤ 0.001

≤ 0.001

≤ 0.001

≤ 0.001

≤ 0.001

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BMC Anesthesiology

ISSN: 1471-2253

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