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Table 1 Patient clinical and demographic characteristics

From: Additional nerve blocks are not superior to multiple-site infiltration analgesia in total knee arthroplasty under adductor canal block

Characteristics

ANBs + ACB

MIA + ACB

p-value

Age (years)

64.2 ± 8.4

63.5 ± 7.7

0.32

Gender (M/F)

82/208

67/173

0.93

Body mass index (kg/m2)

25.4 ± 5.6

24.3 ± 7.7

0.06

Surgery side (right/left)

154/136

116/124

0.27

Analgesia method (cases, n)

290

240

 ACB + iPACK

110

 

 ACB + LFCNB

80

 

 ACB + ONB + LFCNB

50

 

 ACB + iPACK + LFCNB

50

 

 ACB + MIA

240

 

Pre-VAS pain scores

4.5 ± 1.8

4.7 ± 1.6

0.18

Pre-knee ROM

92.4 ± 10.3

94.0 ± 11.3

0.09

Pre-KSS function score

25.2 ± 8.4

24.6 ± 9.6

0.44

Pre-quadricep strength

4.9 ± 0.8

4.8 ± 0.7

0.13

ASA status (I/II/III)

48/146/96

32/128/80

0.57

Duration of surgery (min)

81.2 ± 16.5

82.9 ± 15.4

0.22

  1. ANBs additional nerve blocks; ACB adductor canal block; MIA multiple-site infiltration analgesia; iPACK infiltration between the popliteal artery and the capsule of the posterior knee; LFCNB lateral femoral cutaneous nerve block; ONB obturator nerve block; VAS visual analogue score; ROM range of motion; ASA American Association of Anesthesiologists; KSS Knee Society Score