BPD^a (mm)

BPD^b (mm)

FL (mm)

Total images

273

273

321

Mean

59.6

57.7

41.9

Median

47.2

44.9

31.1

SD

20.5

20.2

18.2

Lower range

37.6

35.1

19.4

Upper range

103

99.8

82