Gait Speed Is Not Associated with Vasogenic Shock or Cardiogenic Shock following Cardiac Surgery, but Is Associated with Increased Hospital Length of Stay
Table 2
Outcomes stratified by gait speed tertiles.
Slow (<0.83 m/s)
Intermediate (0.83–1 m/s)
Fast (>1 m/s)
value
Primary outcomes
Postoperative vasogenic shock (%)
13 (41.9)
128 (59.3)
42 (48.8)
0.0805
Postoperative cardiogenic shock (%)
12 (38.7)
65 (30.1)
22 (25.6)
0.3832
Secondary outcomes
Both cardiogenic and vasogenic shocks
8 (25.8)
51 (23.6)
12 (14.0)
0.1474
30-day mortality
2 (6.5)
3 (1.4)
2 (2.3)
0.1213
ICU hours (median (Q1, Q3))
52.50 (27.65, 89.03)
49.00 (28.50, 73.55)
46.75 (25.60, 52.60)
0.0777
Hospital length of stay (days) (median (Q1, Q3))
7.00 (5.00, 10.00)
6.00 (5.00, 7.00)
5.00 (4.00, 6.00)
0.0050
Surgical wound infection
1 (3.2)
4 (1.9)
0 (0.0)
0.3417
Acute kidney injury
7 (22.6)
23 (10.6)
7 (8.1)
0.0844
Reoperation for cardiac reason
3 (9.7)
11 (5.1)
5 (5.8)
0.5881
Prolonged ventilation
5 (16.1)
15 (6.9)
4 (4.7)
0.1027
Postoperative atrial fibrillation
7 (22.6)
41 (19.0)
16 (18.6)
0.8806
Need for pacemaker
5 (16.1)
8 (3.7)
2 (2.3)
0.0298
Postoperative stroke
0 (0.0)
1 (0.5)
2 (2.3)
0.4010
Significance level with two primary outcomes; ICU = intensive care unit; prolonged ventilation is defined as > 24 hours.