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Table 3 Z-score categories prior to and 3 years following T&A-crosstabulation

From: Improvement in BMI z-score following adenotonsillectomy in adolescents aged 12–18 years: a retrospective cohort study

 

Median Z-score BMI at 3 years

Total

Normal

Overweight

Obesity

Thinness

Severe Thinness

Z score BMI before

 Normal

105

13

0

8

1

127

 Overweight

10

53

11

0

0

74

 Obesity

4

8

21

0

0

33

 Thinness

4

1

0

0

1

6

 Severe Thinness

1

0

0

1

0

2

Total

124

75

32

9

2

242