Table 6 Multiple regression analysis results concerning the relationship between the 2D:4D of the right and left hand and anthropometric characteristics before and 6 months after bariatric surgery.

From: The 2D:4D index is associated with the development of excess body weight in adults, but not with the rate of weight loss following bariatric surgery

Features

Males n = 23

Females n = 57

2D:4DR

2D:4DL

2D:4DR

2D:4DL

β

p

β

p

β

p

β

p

Before bariatric treatment

Body weight and its components

Body weight (BW)

 − 0.01

0.9701

 − 0.33

0.1223

0.06

0.6670

0.02

0.9081

Fat mass (FM)

 − 0.07

0.7517

 − 0.09

0.6711

0.10

0.4500

0.05

0.7087

Fat-free mass (FFM)

0.08

0.7189

 − 0.34

0.1096

 − 0.07

0.5908

 − 0.09

0.4962

Muscle mass (MM)

0.09

0.6721

 − 0.32

0.1333

 − 0.02

0.9015

 − 0.04

0.7816

Total body water (TBW)

0.19

0.3859

 − 0.32

0.1378

 − 0.00

0.9902

 − 0.03

0.8272

Skinfolds

Shoulder

0.03

0.89301

 − 0.104

0.50904

0.36

0.0060

0.20

0.1419

Scapula

0.23

0.2811

0.23

0.3002

0.17

0.2014

0.08

0.5779

Abdomen

0.25

0.2427

0.29

0.1861

0.18

0.1814

0.12

0.3796

Calf

0.06

0.8025

 − 0.05

0.8364

0.28

0.0360

0.18

0.1862

Thigh (anterior aspect)

0.19

0.3794

0.04

0.8539

0.32

0.0159

0.13

0.3171

Thigh (posterior aspect)

0.21

0.3367

0.15

0.4987

0.04

0.7479

 − 0.00

0.9908

6 months after bariatric treatment

Body weight and its components

Body weight (BW)*

 − 0.06

0.8284

0.18

0.7064

0.06

0.627

 − 0.00

0.9801

Fat mass (FM)*

0.06

0.8331

 − 0.05

0.911

0.08

0.5334

0.04

0.7542

Fat-free mass (FFM)*

 − 0.35

0.3863

0.71

0.2192

0.01

0.9179

0.14

0.5233

Muscle mass (MM)*

 − 0.35

0.3859

0.71

0.2183

0.01

0.9159

 − 0.09

0.5258

Total body water *TBW)*

 − 0.13

0.6726

0.51

0.3408

0.02

0.8798

 − 0.08

0.5607

Skinfolds

Shoulder*

0.22

0.5265

0.29

0.6289

0.04

0.7877

 − 0.04

0.7619

Scapula*

0.04

0.9078

0.03

0.9607

0.18

0.1896

0.2

0.1289

Abdomen*

0.25

0.5203

 − 0.15

0.7826

0.00

0.9923

0.02

0.8565

Calf*

0.22

0.6057

 − 0.16

0.8115

0.04

0.7825

0.04

0.7928

Thigh (anterior aspect)*

0.35

0.5900

0.16

0.7629

0.03

0.8294

 − 0.01

0.9441

Thigh (posterior aspect)*

0.31

0.3635

0.01

0.9863

 − 0.02

0.9008

0.03

0.7997

  1. Significant values are in [bold].
  2. *Adjusted for the age after Box-Cox transformation, time since surgery (in days) and type of bariatric surgery.
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