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Table 2 Changes in the anthropometric and body composition characteristics before and after the intervention period

From: Hungarian male water polo players’ body composition can predict specific playing positions and highlight different nutritional needs for optimal sports performance

Variables

Before the start of the championship

After the championship

T-test value

Body composition characteristics

Body height (cm)

193.526 ± 5.787

193.474 ± 5.591

Body mass (kg)

93.742 ± 11.596

94.226 ± 11.859

0.127

Skeletal muscle mass (kg)

47.258 ± 4.347

46.884 ± 4.155

− 0.271

Body fat mass (kg)

11.584 ± 5.146

12.289 ± 5.894

0.392

Percent body fat (%)

12.000 ± 3.897

12.642 ± 4.451

0.473

Fat-free mass (kg)

82.374 ± 7.752

81.805 ± 7.120

− 0.235

Total body water (l)

60.095 ± 5.353

59.826 ± 5.117

− 0.158

Body cell mass (kg)

53.979 ± 4.790

53.742 ± 4.567

− 0.156

Extracellular water ratio

22.400 ± 2.033

22.300 ± 1.967

− 0.154

Intracellular water ratio

37.721 ± 3.838

37.526 ± 3.182

− 0.183

Whole body phase angle

6.695 ± 0.468

6.737 ± 0.466

0.277

Basal metabolic rate (kcal)

2144.526 ± 161.399

2136.842 ± 153.793

− 0.150

Minerals (kg)

5.733 ± 0.794

4.783 ± 0.580

− 4.211**

InBody Score

90.632 ± 6.890

90.053 ± 5.421

− 0.287

  1. Statistical significance was designated by **p ≤ 0.01, *p ≤ 0.05