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Table 1 Demographic characteristics of the study population

From: Race-specific spirometry equations may overestimate asthma control in Black children and adolescents

Characteristic

ACT Study

(N = 80)

Active PROMIS study

(N = 83)

Total Sample (N = 163)

Age in years, mean (SD)

13.7 (1.8)

11.7 (2.6)

12.7 (2.5)

Sex, % female

49

49

49

Race, N(%)

 Black

 White

53 (66)

27 (34)

47 (57)

36 (43)

100 (61)

63 (39)

Ethnicity – Hispanic/Latinx, N(%)

1 (1)

10 (12)

11 (7)

ACT score, mean (SD)

20 (4)

18 (5)

19 (5)

ppFEV1, mean (SD)

 Race-specific

 Race-neutral

95.5 (16.6)

90.5 (16.7)

95.3 (15)

90.3 (16.1)

95.4 (15.8)

90.4 (16.3)

FEV1/FVC, mean (SD)

0.80 (0.09)

0.79 (0.08)

0.80 (0.08)