Oximetry Signal Processing Identifies REM Sleep-Related Vulnerability Trait in Asthmatic Children

Table 1

Demographic profile of subjects.

Factors/variables	Total (𝑛=134)	Control (𝑛=88, 66%)	Asthma (𝑛=46, 34%)	𝑃 value
Demographic variables
Gender				0.28
Female	58 (43%)	41 (46%)	17 (37%)
Male	76 (57%)	47 (54%)	29 (63%)
Age: mean (SD)	6.32 (2.9)	6.1 (2.9)	6.8 (2.9)	0.18
Ethnicity				0.95
White	96 (62%)	55 (67%)	41 (65%)
Others	49 (37%)	27 (33%)	22 (35%)
BMI: mean (SD)	18.5 (5.3)	17.8 (4.3)	19.6 (5.9)	0.08

For quantitative variables, data are presented as mean ± standard deviation (SD). BMI: body mass index; for categorical variables, data are presented as count number (column percentage). 𝑃 values are obtained by either two-sample 𝑡-test or chi-square test, depending on the type of variables.