Table 2 Physiological responses to exercise at 3-month follow-up (N = 14)
From: Physiologic responses to exercise in survivors of critical illness: an exploratory pilot study
Variable | Median [IQR] |
|---|---|
Peak or total exercise measures during cardiopulmonary exercise test (CPET) and 6 min walk test | |
VO2Peak (ml/kg/min) | 12.6 [9.6–15.1] |
% Pred. VO2Peak | 51% [42–74%] |
Respiratory exchange rate | 1.1 [1.0–1.3] |
OUES | 1290 [1110–1428] |
% Pred. OUES | 65% [54–73%] |
Peak work (W) | 71 [53–97] |
Peak heart rate (beats/min) | 128 [109–143] |
% Pred. heart rate | 78% [66–83%] |
O2 Pulse (ml VO2/heart rate) | 8 [7–10] |
% Pred. O2 pulse | 72% [54–100%] |
Chronotropic Index | 1.35 [0.76–1.8] |
VO2/work rate (ml/min/W) | 6.6 [4.9–8.2] |
VO2 recovery t1/2 (s) | 169 [138–205] |
Ventilatory reserve | 43% [28–56%] |
6-min walk distance (m) | 294 [240–433] |
Anaerobic threshold measures during CPET (N = 14) | |
VO2-AT | 10.9 [9.1–12.4] |
% Pred. VO2-AT | 38% [32–55%] |
VE/VCO2 at AT | 29 [25–35] |