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Table 1 Summary statistics for length at birth by gestational age (GA) (weeks) based on raw data and adjusted data from the total population, and on the selected sample, Sweden, 1990–1999. Note: GA = 24 corresponds to 24 weeks+0 days etc as in the graphs.

From: Continuous growth reference from 24thweek of gestation to 24 months by gender

  Total Adjusted Delta = 1.0
GA Mean SD SKEW KURT Mean SD SKEW KURT Mean SD SKEW KURT
Boys
24 32.19 1.69 0.24 -0.61 -0.56 1.77 0.26 -0.20 -0.71 1.88 0.14 0.05
25 33.78 1.88 0.00 0.51 -0.64 1.81 -0.06 0.23 -0.65 1.50 -0.30 0.41
26 34.77 2.31 -1.75 5.78 -1.39 2.22 -1.81 5.91 -1.19 1.76 -0.08 -0.09
24–26 33.94 2.24 -0.64 1.52 -0.96 2.02 -1.15 4.68 -0.88 1.68 -0.22 0.09
27 37.07 3.50 1.86 5.53 -0.52 3.46 2.06 6.51 -0.97 2.13 0.01 -0.05
28 38.08 2.73 -0.35 3.22 -0.97 2.70 -0.26 3.14 -0.86 1.91 -0.46 0.71
29 39.87 3.45 0.02 3.79 -0.60 3.45 0.04 3.82 -0.55 2.17 -0.11 0.09
27–29 38.46 3.44 0.55 2.74 -0.70 3.22 0.74 5.06 -0.76 2.07 -0.15 0.17
30 41.32 2.81 0.45 3.18 -0.49 2.78 0.49 3.11 -0.55 2.24 -0.16 0.18
31 42.38 2.70 -0.12 2.11 -0.65 2.69 -0.13 2.09 -0.57 2.32 -0.14 -0.02
32 43.85 2.56 -0.56 3.12 -0.36 2.54 -0.51 3.15 -0.30 2.18 0.02 0.04
33 45.07 2.29 -0.43 2.43 -0.27 2.26 -0.43 2.48 -0.21 2.11 -0.09 0.02
34 46.21 2.19 -0.34 1.62 -0.20 2.17 -0.37 1.85 -0.15 1.96 -0.06 0.05
35 47.07 2.10 -0.29 1.53 -0.36 2.08 -0.28 1.52 -0.31 1.94 -0.07 0.03
36 47.96 2.02 -0.16 0.62 -0.45 2.00 -0.16 0.62 -0.41 1.93 -0.03 0.08
37 48.90 2.01 -0.18 0.81 -0.48 1.99 -0.19 0.84 -0.44 1.89 -0.12 0.05
38 49.80 1.92 -0.09 0.74 -0.49 1.91 -0.09 0.76 -0.48 1.80 -0.05 0.19
39 50.58 1.85 -0.05 0.70 -0.57 1.84 -0.05 0.71 -0.57 1.74 0.05 0.04
40 51.28 1.84 0.04 0.41 -0.68 1.83 0.04 0.41 -0.70 1.79 0.09 -0.06
41 51.89 1.87 0.02 0.41 -0.87 1.86 0.02 0.42 -0.84 1.88 0.00 -0.05
42 52.40 1.91 0.00 0.35 -1.00 1.90 -0.03 0.65 -1.00 1.92 0.13 0.18
Girls
24 32.45 3.45 3.62 18.24 -0.53 3.57 3.79 19.48 -1.02 1.95 -0.06 -0.34
25 33.88 3.99 3.23 12.96 -0.55 4.06 3.33 13.42 -1.23 1.91 0.03 0.09
26 35.15 2.53 0.98 6.88 -0.86 2.49 0.94 7.66 -0.98 1.82 0.09 0.14
24–26 34.11 3.42 2.32 9.92 -0.69 3.29 3.18 16.26 -1.03 1.85 0.07 -0.13
27 36.60 4.16 1.73 4.74 -0.73 4.13 1.77 5.00 -1.11 2.57 -0.20 1.00
28 37.50 2.75 0.34 2.57 -1.34 2.69 0.27 2.51 -1.35 2.35 -0.18 0.08
29 39.57 2.55 0.88 5.35 -0.66 2.49 0.88 5.28 -0.68 2.03 -0.49 0.43
27–29 38.19 3.31 0.68 3.05 -0.89 3.03 1.35 6.31 -0.96 2.25 -0.22 0.12
30 40.80 2.73 0.68 3.97 -0.51 2.71 0.75 4.03 -0.56 1.99 -0.33 0.14
31 42.39 2.69 0.63 1.99 -0.16 2.66 0.66 2.26 -0.25 2.14 -0.14 -0.22
32 43.24 2.52 -0.31 3.80 -0.46 2.50 -0.30 3.93 -0.41 1.98 -0.14 0.41
33 44.53 2.26 -0.24 1.66 -0.25 2.26 -0.27 1.69 -0.21 2.08 -0.08 0.03
34 45.58 2.35 -0.34 2.60 -0.22 2.35 -0.31 2.67 -0.16 2.08 -0.05 -0.05
35 46.48 2.11 -0.18 0.78 -0.31 2.09 -0.17 0.79 -0.28 2.00 0.00 -0.03
36 47.37 2.02 -0.15 0.45 -0.37 2.01 -0.14 0.42 -0.34 1.93 -0.07 -0.05
37 48.23 1.97 -0.04 0.73 -0.44 1.95 -0.03 0.73 -0.42 1.87 0.01 -0.01
38 49.03 1.89 -0.13 0.72 -0.52 1.88 -0.12 0.72 -0.49 1.81 -0.08 0.05
39 49.79 1.81 -0.07 0.75 -0.59 1.80 -0.07 0.76 -0.59 1.70 -0.08 0.15
40 50.44 1.81 -0.04 0.80 -0.71 1.80 -0.04 0.81 -0.72 1.72 0.08 0.07
41 51.01 1.83 0.03 0.54 -0.92 1.82 0.02 0.53 -0.84 1.77 0.08 0.35
42 51.44 1.85 0.10 0.41 -1.13 1.84 0.12 0.53 -1.15 1.82 0.22 0.04