Table 1 Demographic, spirometry, and SARS-CoV-2 infection data

From: Carotid body dysregulation contributes to Long COVID symptoms

Demographics

Controls (n = 14)

Long COVID (n = 14)

P-value

Sex (M/F)

3/11

2/12

—

Age (years)

35 ± 13

42 ± 12

0.1195

BMI (kg/m2)

24.5 ± 4.9

26.9 ± 5.3

0.2140

Height (cm)

166 ± 5

167 ± 7

0.5543

Body mass (kg)

67.2 ± 12.9

75.1 ± 16.3

0.1573

Received all recommended** COVID-19 vaccinations at time of study (%)

100%

100%

—

Time since initial infection** (days) [median (IQR)]

473 (265-543)

534 (400-709)

0.1006*

Clinic BP

 SBP (mmHg)

121 ± 9

131 ± 17

0.0732

 DBP (mmHg)

75 ± 7

83 ± 13

0.0594

 HR (beats/min)

69 ± 12

75 ± 12

0.1895

Resting lung function

 n

11

14

 

 FEV1 (z-scores)

-0.32 ± 0.92

-0.90 ± 1.23

0.2109

 FVC (z-scores)

-0.56 ± 1.01

-1.03 ± 0.86

0.2279

 FEV1/FVC (z-scores)

0.60 ± 0.95

0.21 ± 1.13

0.3727

 FEF75% (z-scores)

0.61 ± 1.01

0.43 ± 0.77

0.6191

  1. *Mann Whitney U. BMI body mass index, IQR interquartile range, BP blood pressure, SBP systolic blood pressure, DBP diastolic blood pressure, HR heart rate, FEV1 forced expiratory volume in 1 s, FVC forced vital capacity, FEF75% forced expiratory flow after 75% of the FVC has been exhaled. Mean ± SD unless otherwise stated. **Note that the control group includes data from 6 participants who took part in studies in the same laboratory before the pandemic and did not have COVID-19. Thus, the data pertaining to vaccines and infections is for the 8 participants recruited who had COVID-19 infection but did not develop ongoing symptoms.
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