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Table 2 Body mass distribution in the assessed groups

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

Body mass (BMI z-score)

Total (%)

Girls (%)

Boys (%)

Severe underweight (z-score ≤ −3)

23 (0,33%)

21 (0,60%)

2 (0,06%) ⃰

Underweight (z-score > −3 ≤ −2)

126 (1,8%)

83 (2,36%)

43 (1,24%) ⃰

Thinness (z-score > −2 ≤ − 1)

749 (10,71%)

430 (12,23%)

319 (9,18%) ⃰

Normal (z-score ≥ −1 < 1)

4730 (67,65%)

2378 (67,63%)

2352 (67,66%)

Overweight (z-score ≥ 1 < 2)

1140 (16,30%)

530 (15,07%)

610 (17,55%)

Obesity (z-score ≥ 2)

224 (3,2%)

74 (2,10%)

150 (4,32%) ⃰

  1. *p < 0,05