Tables
Table 1. Characteristics, median with (5-95% range), or number with proportion.
Restrictive group
Liberal group
(n=33)
(n=33)
Age, years
68 (43-86)
72 (53-89)
Men/women, no. (% men)
16/17 (48)
20/13 (61)
Body mass index, kg/m2
27 (20-39)
26 (20-34)
1
5 (15)
6 (18)
2
26 (79)
22 (67)
3
2 (6)
5 (15)
Current smoker
4 (12)
5 (15)
Diabetes
6 (18)
4 (12)
Hypertension
18 (55)
19 (57)
Other cardiovascular disease
5 (15)
7 (21)
Lung disease
2 (6)
3 (9)
Neurologic disease
1 (3)
2 (6)
Kidney disease
1 (3)
0
Other disease
8 (24)
8 (24)
Preoperative haemoglobin concentration, g/dL
13.4 (10.2-15.0)
13.8 (10.5-16.3)
Characteristics
American Society of Anesthesiologists
physical status score, no. (%)
Comorbidities, no. (%)
1
Table 2. Perioperative variables, median with (5-95% range), or number with proportion.
Restrictive
Liberal group
P-value
group (n=33)
(n=33)
Total revision
13 (43)
15 (45.5)
Acetabular component revision
9 (30)
15 (45.5)
Femoral component revision
6 (20)
2 (6)
Other
2 (7)
1 (3)
General anaesthesia
26 (87)
31 (94)
Spinal anaesthesia
4 (13)
2 (6)
Femoral nerve block
2 (7)
1 (3)
0.60
Local infiltration analgesia with catheter
2 (7)
1 (3)
0.60
Local infiltration analgesia without catheter
8 (27)
10 (30)
0.79
Epidural as postoperative pain management
11 (33)
17 (52)
0.31
Blood loss during surgery, mL
575 (150-2300)
900 (200-2900)
0.10
Urinary output during surgery, mL
340 (76-975)
300 (65-1000)
0.84
Red Blood Cells
0 (0-490)
0 (0-980)
0.05
Crystalloids
1500 (500-3500)
1500 (300-3100)
0.64
Colloids
500 (0-1500)
750 (0-2000)
0.11
Last Hb measured during surgery, g/dL
9.9 (6.5-12.8)
10.4 (8.3-12.9)
0.31
Blood loss in drain if used, mL
150 (0-700)
150 (0-500)
0.73
Urinary output during stay at PACU, mL
121 (49-190)
260 (45-1000)
0.70
Transfusions of red blood cells in PACU, mL
0 (0-245)
0 (0-245)
0.43
Crystalloids given in PACU, mL
700 (200-1200)
1000 (200-2400)
0.03
Colloids given in PACU, mL
0 (0-500)
0 (0-500)
0.93
Haemoglobin concentration at discharge from PACU, g/dL
9.9 (7.9-12.0)
10.2 (8.9-14.4)
0.16
Crystalloids given, mL
0 (0-4000)
500 (0-4000)
0.66
Colloids given, mL
0 (0-500)
0 (0-1500)
0.25
Total perioperative transfusions of red blood cells, mL
0 (0-1470)
245 (0-1225)
0.22
Total number of patients transfused, no. (%)
11 (37)
16 (48)
0.32
Surgery
Type of surgery, no. (%)
0.05
Type of anesthesia, no. (%)
0.41
Pain management, no. (%)
Fluids given during surgery, mL1
Post Anaesthesia Care Unit (PACU)1
Postoperative period
2
Table 3. Postoperative complications.
Restrictive group
Liberal group
(n=30)
(n=33)
Gastrointestinal complications
12
13
Pneumonia
0
4
Other pulmonary
2
3
Skin reaction
3
0
Fever
5
3
Dizziness/ discomfort
4
8
Hypotension
1
4
Fatigue
1
1
Hyperkalemia
1
1
Deep vein thrombosis
0
1
Surgical site infection
0
1
Fall at the ward or at home
3
2
Others
3
16
Total number of patients experiencing
19
22
9
6
5
6
4
4
1
3
0
3
34
57
P value
0.61
postoperative complications
Patients experiencing one postoperative
complication
Patients experiencing two postoperative
complications
Patients experiencing three postoperative
complications
Patients experiencing four postoperative
complications
Patients experiencing five postoperative
complications
Total number of postoperative
0.01
complications
3
Table 4. Functional outcomes and pain scores, median with (5-95% range), or number with proportion.
Restrictive group
Liberal group
P value
36 (16-57) (n=25)
30 (23-87) (n=28)
0.02
1
5
5
0.87
2
8
9
3
3
3
4
2
5
≥5
7
6
1
11
12
2
11
10
≥3
4
7
Patients TUG tested with epidural catheter,
2 (8) (n=25)
4 (14) (n=28)
0.67
VAS-score at rest*
0.5 (0-29) (n=24)
0 (0-48) (n=25)
0.86
VAS-score at activity†
20.5 (0-67) (n=24)
22 (0-75) (n=25)
0.79
Hb at the day of test, g/dL
10.2 (8.1-11.8)
9.9 (8.3-12.5)
0.87
(n=23)
(n=28)
8 (4-44) (n=33)
8 (4-38) (n=33)
0.71
12 (48)
14 (50)
1.00
Crutches
11 (44)
11 (39)
0.11
Zimmer frame
1 (4)
3 (11)
Walking frame
6 (24)
3 (11)
Highwalker
7 (28)
11 (39)
Time for Timed Up and Go test, seconds
Postoperative day patients could perform
TUG
Postoperative day patients were able to
walk 10 meters
0.93
no. (%)
Pain score on the day of testing,
Length of hospital stay after surgery, days
Allowed only partial weight bearing, no.
(%)
Type of walking aid, no. (%)
4