Parameter

n

%

P value

Gender

Male

621

60.2

<0.0001

Female

411

39.8

Age

≤14 years

472

45.7

0.0065

≥14 years

560

54.2

Season of hospitalization

Spring

219

21.2

Summer

348

33.7

Autumn

232

22.5

Winter

233

22.6