Table 1 Demographics of the study population stratified by OSAS (obstructive sleep apnoea syndrome), and matched with healthy controls without OSAS (Control).

From: Paediatric obstructive sleep apnoea syndrome (OSAS) is associated with tonsil colonisation by Streptococcus pyogenes

Characteristics

OSAS

Control

p value

N. patients

40

80

–

Age, years

6 (5–8) (4–12)

7 (4-10) (1–16)

0.3

Sex, male

25 (62.5%)

46 (57.5%)

0.59

  1. Age: median (interquartile range [IQR]) and (minimum age - maximum age). Sex: male numbers (%). Statistical analysis was performed using a non-parametric Kolmogorov-Smirnov test on the distribution of age data, and a Z-test on the proportion of cases and controls for sex data (significance level of the test = 0.05).
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