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. 2022 Feb 17;58(2):305. doi: 10.3390/medicina58020305

Table 2.

Comparison of the stabilographic parameters (opened eyes) in subjects who reported respiratory problems (n = 6) in the course of COVID-19 and those who did not suffer from dyspnea during the infection (n = 27) (AP, anterio-posterior direction; ML, medio-lateral direction; COP, center of pressure; ra, range; rms, root mean square; len, length of trajectory; v, velocity; RAMB, rambling; TREMB, trembling) (* statistically significant).

Sagittal Plane (AP) Frontal Plane (ML)
COVID-19 with Respiratory Problems
n = 6
COVID-19 without Respiratory Problems
n = 27
COVID-19 with Respiratory Problems
n = 6
COVID-19 without Respiratory Problems
n = 27
Parameter Median
(Min–Max)
Median
(Min–Max)
p Effect Size Median
(Min–Max)
Median
(Min–Max)
p Effect Size
Entropy COP 0.09
(0.04–0.17)
0.07
(0.04–0.13)
0.234 0.432 0.09
(0.05–0.16)
0.06
(0.04–0.11)
0.098 0.612
raCOP, cm 2.15
(1.21–2.99)
1.77
(1.05–3.29)
0.234 0.432 1.68
(0.79–2.90)
1.68
(0.69–3.11)
0.981 0.016
rmsCOP, cm 0.38
(0.23–0.62)
0.38
(0.21–065)
0.797 0.098 0.33
(0.15–0.51)
0.34
(0.15–0.59)
0.944 0.033
lenCOP, cm 27.49
(18.24–37.32)
19.03
(15.56–35.40)
0.042 * 0.766 19.98
(15.67–29.14)
17.35
(8.94–29.9)
0.216 0.450
vCOP, cm/s 0.93
(0.62–1.26)
0.64
(0.53–1.20)
0.042 * 0.766 0.68
(0.53–0.99)
0.59
(0.30–1.02)
0.216 0.450
raRAMB, cm 1.99
(1.15–2.71)
1.69
(1.06–3.11)
0.363 0.329 1.54
(0.79–2.49)
1.61
(0.67–2.97)
0.981 0.016
rmsRAMB, cm 0.37
(0.22–0.57)
0.37
(0.21–0.64)
0.981 0.016 0.31
(0.15–0.47)
0.33
(0.14–0.56)
0.907 0.049
lenRAMB, cm 23.43
(17.02–31.21)
17.70
(14.60–30.65)
0.038 * 0.786 17.47
(14.81–26.13)
16.46
(8.16–26.18)
0.253 0.415
vRAMB, cm/s 0.79
(0.58–1.06)
0.60
(0.49–1.04)
0.038 * 0.786 0.59
(0.50–0.89)
0.56
(0.28–0.89)
0.253 0.415
raTREMB, cm 0.59
(0.21–1.21)
0.26
(0.12–0.87)
0.030 * 0.826 0.47
(0.18–0.56)
0.28
(0.08–0.66)
0.169 0.503
rmsTREMB, cm 0.05
(0.01–0.11)
0.02
(0.01–0.08)
0.038 * 0.786 0.04
(0.01 -0.05)
0.02
(0.00–0.06)
0.129 0.557
lenTREMB, cm 9.77
(4.33–16.17)
4.86
(2.57–14.52)
0.042 * 0.766 5.39
(2.89–7.85)
3.75
(1.46–9.34)
0.141 0.539
vTREMB, cm/s 0.33
(0.15–0.55)
0.16
(0.09–0.49)
0.042 * 0.766 0.18
(0.10–0.27)
0.13
(0.05–0.32)
0.141 0.539