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Table 4 Comparison of VAS scores in resting state [ 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

2.68 ± 0.56

2.19 ± 0.11

1.98 ± 0.67

1.84 ± 0.56

1.48 ± 0.64

PCEA

110

1.24 ± 0.31

1.48 ± 0.24

1.21 ± 0.31

1.14 ± 0.16

1.01 ± 0.07

t

 

23.009

25.917

10.734

12.507

7.650

P

 

≤ 0.001

≤ 0.001

≤ 0.001

≤ 0.001

≤ 0.001

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BMC Anesthesiology

ISSN: 1471-2253

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