Table 1 Overview of the infants in each gestational age and birthweight cohort.

 <24

536

$7,318

$242,887 ($458,312)

$130,187,254

60.40%

26.50%

38.80%

21.10%

8.80%

24.60%

524

29 (50)

2

 24

418

$548,865

$603,778 ($509,165)

$252,379,413

24.40%

65.30%

89%

59.60%

12.70%

49%

403

80 (59)

92

 25–26

984

$418,191

$493,304 ($396,830)

$485,410,893

10.70%

60.40%

91.10%

65.90%

11%

46.20%

947

77 (45)

81

 27–28

1357

$291,029

$356,839 ($334,460)

$484,230,274

3.40%

38.80%

89.30%

60.50%

7.70%

31.30%

1306

63 (31)

64

 29–30

2182

$173,638

$213,353 ($191,232)

$465,536,989

1.70%

14.80%

79.40%

47.80%

4.30%

25.20%

2106

46 (24)

44

 31–32

4562

$100,032

$124,553 ($118,343)

$568,209,519

1%

3.90%

57.80%

19.30%

1.90%

18.50%

4397

29 (14)

28

 33–34

11,999

$45,580

$62,994 ($91,189)

$755,860,528

0.60%

0.80%

30.60%

1.80%

0.80%

14.40%

11486

15 (11)

14

 35–36

28,474

$9,864

$24,754 ($72,519)

$704,847,939

0.30%

0.20%

10.50%

0.20%

0.10%

5.50%

26648

6 (8)

3

 All preterm with specified GA

50,512

$26,374

$76,153 ($169,931)

$3,846,662,810

3%

4.40%

27.90%

8%

1.30%

12.40%

560077

4 (8)

2

 Full term

713,253

$3,787

$6,370 ($29,170)

$4,543,558,496

0.10%

0%

0.10%

0%

0%

0%

512260

2 (4)

2

 <500 g

393

$6,379

$247,994 ($450,490)

$97,461,782

59.30%

24.20%

37.70%

22.60%

5.10%

21.90%

381

32 (54)

2

 500–749 g

1002

$467,490

$537,624 ($460,159)

$538,699,110

22.80%

59.80%

85.90%

58.20%

13.10%

43.40%

970

76 (57)

84

 750–999 g

1462

$356,300

$428,791 ($343,145)

$626,892,003

7%

49.20%

89.30%

65.20%

9.40%

37.30%

1424

73 (39)

73

 1000–1249 g

1840

$214,741

$272,743 ($232,247)

$501,846,932

2.80%

24.80%

79.80%

55.60%

5.40%

25.90%

1772

53 (26)

52

 1250–1499 g

2433

$135,675

$180,346 ($180,388)

$438,780,665

1.80%

9.60%

63.50%

42.20%

3.10%

21.60%

2322

39 (23)

36

 1500–1749g

3485

$88,189

$114,886 ($119,166)

$400,376,349

1%

3.60%

47.90%

14.50%

2%

17.40%

3354

27 (16)

25

 1750–1999g

5410

$54,232

$75,293 ($100,897)

$407,337,737

0.60%

1.80%

33.10%

3.80%

1%

13.10%

5153

18 (12)

16

 2000–2499g

16,483

$25,533

$42,998 ($90,127)

$708,735,398

0.40%

0.50%

20.90%

0.60%

0.50%

9.90%

15577

10 (10)

8

 All low birthweight with specified BW

32,508

$48,906

$114,437 ($204,565)

$3,720,129,976

4.80%

7.60%

45.70%

13.90%

2.20%

20.20%

30953

23 (28)

14

 Normal birthweight

727,538

$3,826

$6,743 ($30,360)

$4,905,759,132

0.10%

0%

0.40%

0%

0%

0.20%

525736

3 (4)

2