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Table 2 Comparison of clinical and laboratory outcomes

From: Elastic pneumatic tourniquet cuff can reduce postoperative thigh pain after total knee arthroplasty: a prospective randomized trial

 

Preoperative

Postoperative Day 1

Postoperative Day 2

Postoperative Day 4

Postoperative Day 7

CPK (mcg/L)

 Group E

N/A

140 ± 11

156 ± 35

97 ± 14

66 ± 6

 Group C

N/A

105 ± 22

140 ± 17

81 ± 8

62 ± 5

P-value

N/A

n.s

n.s

n.s

n.s

LDH (IU/L)

 Group E

N/A

202 ± 57

211 ± 62

247 ± 58

277 ± 58

 Group C

N/A

200 ± 40

208 ± 49

244 ± 55

271 ± 81

P-value

N/A

n.s

n.s

n.s

n.s

Hemoglobin (g/dL)

 Group E

11.9 ± 1.7

10.1 ± 1.5

9.5 ± 1.2

9.6 ± 1.1

9.7 ± 1.0

 Group C

11.8 ± 1.8

9.9 ± 1.4

9.4 ± 1.2

9.4 ± 1.3

9.5 ± 1.0

P-value

n.s

n.s

n.s

n.s

n.s

Hematocrit (%)

 Group E

36.6 ± 5.1

30.8 ± 4.4

29.1 ± 3.5

29.7 ± 3.5

30.1 ± 3.0

 Group C

35.3 ± 5.9

30.1 ± 4.0

28.7 ± 3.7

28.9 ± 3.9

29.2 ± 3.1

P-value

n.s

n.s

n.s

n.s

n.s

Rescue analgesic user (%)

 Group E

N/A

41.7

66.7

58.3

33.3

 Group C

N/A

39.6

66.7

60.4

16.7

P-value

N/A

n.s

n.s

n.s

n.s

  1. The data are expressed as the mean ± standard deviations
  2. Group E elastic cuff group, Group C conventional cuff group, CPK creatine phosphokinase, LDH lactate dehydrogenase, n.s not significant, N/A not applicable