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Table 1 Number of study subjects, stratified by age (year)

From: Relationship between lower-extremity defects and body mass among polish children: a cross-sectional study

Age (years)

Overall

Girls

Boys

(n)

(n)

(n)

8

571

290

281

9

2120

1104

1016

10

2096

1020

1076

11

1841

927

914

12

373

175

189

Total

6992

3516

3476

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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