Table 1 Patients’ baseline demographic characteristics, laboratory findings, perioperative blood parameters and durations

Gender, male/female (n)

29/96

Age (yr)

72.8 (4.5)

Weight (kg)

74.3 (11.8)

Height (cm)

157.9 (7.5)

ASA score (1/2) (%)

21.6/78.4

Tourniquet time (min)

61.1 (16.5)

Duration of surgery (min)

89.4 (20.3)

Motor block recovery time (min)

243.3 (48.5)

Baseline Hb (g/dL)

13.3 (1.1)

Day 4 Hb (g/dL)

9.2 (0.8)

Blood loss (% of total volume)

47.3 (17.7)

Transfused patients (%)

47.2

CRP >0.8 mg/dl (n [%])

32 (25.6%)

Length of hospital stay (d)

5.2 (1.1)