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Table 8 Mean birth weight, Ponderal index, classification in Lubchenco’s, Alisyahbana’s and present study by gestational age

From: Reference curves of birth weight, length, and head circumference for gestational ages in Yogyakarta, Indonesia

GA (w)

Lubchenco

Alisyahbana

Present study

No of cases

BW (g)

PI

C

No of cases

BW (g)

PI

C

No of cases

BW (g)

PI

C

26

68

1001

2.2

L

    

103

727

1.9

L

27

72

1065

2.2

L

    

80

855

2.1

L

28

118

1236

2.2

L

    

109

956

2.1

L

29

143

1300

2.3

L

    

94

1042

2.0

L

30

109

1484

2.3

L

    

119

1207

2.0

L

31

147

1590

2.4

L

    

163

1393

1.9

L

32

124

1732

2.4

L

    

394

1708

2.2

L

33

118

1957

2.4

L

    

469

1724

2.3

L

34

145

2278

2.5

A

43

2553

2.5

A

865

1892

2.3

L

35

188

2483

2.5

A

70

2704

2.6

A

1056

2040

2.4

L

36

202

2753

2.5

A

136

2849

2.4

L

1680

2359

2.5

A

37

372

2800

2.6

A

262

2819

2.5

A

2960

2618

2.5

A

38

636

3025

2.6

A

565

2903

2.5

A

7117

2833

2.6

A

39

1010

3130

2.6

A

1309

3066

2.6

A

12980

3035

2.7

A

40

1164

3226

2.6

A

1710

3146

2.5

A

16362

3145

2.7

A

41

632

3307

2.6

A

962

3205

2.6

A

7066

3312

2.8

A

42

336

3308

2.6

A

446

3228

2.6

A

2982

3253

2.7

A

Total

5584

   

5503

   

54599

   
  1. C Classification; L Low; A Average; H High; GA Gestational Age; PI Ponderal Index; BW Birth Weight; g gram; w week