Skip to main content

Table 1 Patient demographics

From: Preoperative characteristics and intraoperative factors do not correlate with accomplishments of active straight-leg raising, standing up, and walking after primary total knee arthroplasty

Characteristics (N = 307 patients, 384 knees)

Mean (SD)

Age at the first TKA

73 (8)

Sex (male/female; patients, knees)

53/254, 63/321

Body height (cm)

151 (7)

Body weight (kg)

60 (11)

BMI (kg/m2)

26 (4)

Preoperative HSS score

44 (11)

ASA* Grade (I/II) (knees)

54/330

Operation time (min.), ≥90 min.(knees)

57 (10), range 36–116, 5

Tourniquet time (min.), ≥90 min.(knees)

60 (10), range 38–118, 6

Active SLR (postoperative days)

1.5 (0.5), range 1–3

Standing up (postoperative days)

1.2 (0.5), range 1–5

Walking (postoperative days)

1.4 (0.7), range 1–5

  1. SD, standard deviation; TKA, total knee arthroplasty; BMI, body mass index; HSS score, Hospital for Special Surgery score [14], SLR, straight leg raising, ASA* [13], American Society of Anesthesiologists.