. 2022 Jul 25;11(15):4322. doi: 10.3390/jcm11154322

Table 3.

CPET data in the three groups of patients.

Data		ICU Group n = 31	MLC Group n = 23	Adjusted p Value (Comparison between ICU Group and LC Group)	OB Group n = 15	Adjusted p Value (Comparison between ICU Group and OB Group)	Kruskal–Wallis Test p Value
Maximum predicted	VO₂ (mL/min/kg)	24.8 [19.7–28]	26.2 [23.7–33.4]	NS	22.3 [15.5–25.5]	NS	0.048
	HR (bpm)	159 [152–167]	176 [170–183]	<0.001	168 [151–190]	NS	0.001
	Workload (W)	155.5 [131–172]	136 [128–182]	NS	135 [103–185]	NS	NS
	πO₂ (mL/beat)	15.8 [10.8–17.1]	10.3 [9.1–15.2]	NS	14.5 [11.7–18.8]	NS	0.036
Resting state	HR (bpm)	77 [66–87]	76 [66–86]	NS	91 [74–99]	NS	0.051
	Systolic blood pressure (mmHg)	140 [130–145]	120 [110–120]	<0.001	125 [117–130]	NS	<0.001
	Diastolic blood pressure (mmHg)	70 [70–70]	60 [60–70]	0.03	80 [70–85]	NS	0.004
	VO₂ (mL/min/kg)	8 [5.6–9.7]	6.1 [4.4–7.6]	NS	4.4 [3.3–5.2]	<0.001	0.001
	MET	2.4 [1.8–3.1]	1.7 [1.3–2.3]	NS	1.3 [0.9–1.5]	<0.001	<0.001
	RER	0.85 [0.8–0.91]	0.77 [0.73–0.82]	0.001	0.8 [0.76–0.84]	NS	0.002
	πO₂ (mL/beat)	7.7 [6.2–13.2]	5.5 [4.8–6.1]	0.028	4.1 [3.3–5.2]	<0.001	<0.001
	Veq CO₂	29.6 [26.2–34.4]	35.9 [31.3–40.1]	0.004	32.3 [30.4–34.5]	NS	0.005
ADT	VO₂ (% peak)	66 [57–74]	52 [48–59]	<0.001
AT	VO₂ (% peak)	81 [72.5–87.2]	85 [75–91]	NS	44.5 [34.5–58.3]	<0.001	<0.001
Peak	Workload (% max predicted)	66 [40.9–79.2]	104.4 [95.6–122.3]	<0.001	94.7 [77.7–123.9]	0.003	<0.001
	VO₂ (% max predicted)	74.5 [62.6–102.8]	105.3 [86.8–132.8]	0.005	74 [62–84.3]	NS	<0.001
	HR (% max predicted)	76.7 [65.1–90.3]	97.9 [88.7–101.1]	<0.001	80.6 [74–89.3]	NS	<0.001
	πO₂ (% max predicted)	109 [75.5–135.4]	116 [105–134]	NS	72.9 [56.4–85.4]	0.002	<0.001
	Veq CO₂	29.5 [26.6–34.4]	33 [30.4–40.9]	NS	31.5 [29.6–34.3]	NS	0.117
	VE (l/min)	61.1 [44.7–72.8]	79.4 [64.4–89.5]	0.007	60 [40–71]	NS	0.004
	VE/VCO₂ slope	33.6 [29.1–44.9]	26 [22.9–34.9]	NS	32.1 [29.5–33.5]	NS	0.066
	CR (%)	57.8 [35.5–79.3]	96.5 [73.2–101.7]	<0.001	59.5 [43.1–71.7]	NS	<0.001
	BR (%)	33 [19.8–41.5]	19.1 [6.6–31.2]	NS	48 [30–58]	NS	0.001
T1/2	VO₂ (% peak)	51 [49.2–53]	50 [49–51]	NS	49.4 [45.2–52.4]	NS	0.212
	HR (% peak)	79.2 [75–85]	69.2 [64.6–74.2]	<0.001	78.7 [76.4–90.4]	NS	<0.001
	RER	1.13 [1–1.2]	0.97 [0.91–1.03]	0.021	1.38 [1.29–1.45]	<0.001	<0.001
	πO₂ (% peak)	62.4 [56.2–69.9]	47.6 [42.2–53.8]	<0.001	59.7 [54.8–68.2]	NS	<0.001
	Veq CO₂ (% peak)	107.4 [100.2–117.4]	133.1 [121.7–144.7]	<0.001	107.8 [102.9–114.5]	NS	<0.001

Data are expressed as the median with lower and upper quartiles [Q1–Q3] or count (%). NS: non-significant.