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Table 1 Preoperative characteristics of patients who underwent robot-assisted TKA with or without a tourniquet

From: Effect of tourniquet use on blood loss, pain, functional recovery, and complications in robot-assisted total knee arthroplasty: a prospective, double-blinded, randomized controlled trial

Characteristic

Tourniquet group (n = 14)

Non-tourniquet group (n = 14)

P*

Sex

  

0.532

 Male

4

3

 

 Female

10

11

 

Age (years)

64.00 (6.565)

65.57 (7.700)

0.400

Body mass index (kg/m2)

27.76 (3.266)

27.40 (3.476)

0.417

Knee range of motion (°)

90 (90, 100)

100 (90, 100)

0.179

Hospital for Special Surgery score

59.33 (5.352)

53.73 (7.520)

0.068

Hemoglobin (g/L)

138.57 (12.800)

137.97 (13.011)

0.858

Hematocrit (%)

0.43(0.037)

0.42 (0.032)

0.534

Visual analog scale score

 Thigh pain

0.03 (0.183)

0.00 (0.000)

0.321

 Knee rest pain

3 (0, 5)

3 (2, 5)

0.418

 Knee active pain

7 (6, 8)

7 (6, 8)

0.730

Circumference (cm)

 Thigh

40.22 (3.545)

39.95 (3.770)

0.779

 Knee

36.97 (2.300)

36.80 (2.568)

0.792

 Calf

36.60 (2.654)

32.60 (2.881)

0.167

  1. Values are n, mean (standard deviation) or median (interquartile range), unless otherwise noted
  2. *Based on Student’s t test or the Mann–Whitney test (continuous variables) or Fisher’s exact test (categorical variables)