Skip to main content

Table 1 Details of the patients

From: Comparison of the radiographic outcomes and total blood loss between pinless navigation and conventional method in minimally invasive total knee arthroplasty

Characteristics

Navigation group (n = 50)

Convention group (n = 50)

P value

Age(yr) (SD;range)

68.78 (6.20;52–81)

70.54 (5.80;60–84)

0.146

BMI (kg/m2)

27.00 (4.08;19–36)

27.87 (4.15;20–39)

0.295

BMI (kg/m2) > 30

12/50 (24.0%)

13/50 (26.0%)

0.817

Women (%)

39/50 (78.0%)

40/50 (80.0%)

0.806

Side (Right side, %)

32/50 (64.0%)

25/50 (50%)

0.113

History of CAD, H/T, DM

36/50 (72.0%)

36/50 (72.0%)

1.000

ASA-1

0/50 (0.0%)

0/50 (0.0%)

0.130

ASA-2

38/50 (76.0%)

31/50 (62.0%)

ASA-3

12/50 (24.0%)

19/50 (38.0%)

PT

10.31 (0.44;9–12)

10.18 (0.36;10–12)

0.104

APTT

26.79 (2.36;19–32)

26.88 (2.21;22–35)

0.855

Preoperative-Hb (g/dl)

13.08 (1.35;10–17)

13.15 (0.92;11–15)

0.774

Platelet count (10,000/L)

235.68 (77.19;107–476)

262.30 (88.44;117–649)

0.112

  1. Continuous data are presented as mean (standard deviation)
  2. SD standard deviation, BMI Body mass index, CAD coronary artery disease, H/T hypertension, DM diabetes mellitus, ASA American Society of Anesthesiologists, PT Prothrombin time, APTT Activated partial thromboplastin time