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. 2022 May 23;19(10):6304. doi: 10.3390/ijerph19106304

Table 1.

Physical and demographic characteristics and dyspnea in COVID-19 and control groups.

Parameter a COVID-19 Group (n = 26) Control Group (n = 26) p
Mean ± SD Mean ± SD
Age (years) 50.0 ± 13.8 47.0 ± 12.6 0.41
Height (cm) 171.2 ± 9.3 171.0 ± 7.0 0.89
Weight (kg) 79.1 ± 15.5 73.8 ± 13.8 0.20
BMI (kg/m2) 27.1 ± 5.9 25.1 ± 3.7 0.15
MMRC score 0.6 ± 0.5 0.1 ± 0.3 <0.001 *
Smoking (pack-years) 19.2 ± 15.3 20.0 ± 8.1 0.90
Number of active smokers 10 7

* The bold values represent statistically significant p < 0.05 values. a Student’s t-test. BMI—Body Mass Index; MMRC—Modified Medical Research Council Dyspnea Scale.