. 2016 Jan 26;11(1):e0147528. doi: 10.1371/journal.pone.0147528

Table 2. Fetal Cerebellar Vermis Height (mm) according to gestational age.

GA	n	M	SD	95% CI
20⁺⁰–20⁺⁶	636	11.27	0.58	10.69–11.85
21⁺⁰–21⁺⁶	4549	11.96	0.67	11.29–12.63
22⁺⁰–22⁺⁶	4160	12.71	0.76	11.95–13.47
23⁺⁰–23⁺⁶	692	13.50	0.85	12.65–14.35
24⁺⁰–24⁺⁶	89	14.32	0.94	13.38–15.26
25⁺⁰–25⁺⁶	66	15.16	1.03	14.13–16.19
26⁺⁰–26⁺⁶	56	16.01	1.12	14.89–17.13
27⁺⁰–27⁺⁶	52	16.85	1.21	15.64–18.06
28⁺⁰–28⁺⁶	36	17.67	1.30	16.37–18.97
29⁺⁰–29⁺⁶	47	18.47	1.39	17.08–19.86
30⁺⁰–30⁺⁶	51	19.22	1.48	17.74–20.70
31⁺⁰–31⁺⁶	77	19.91	1.57	18.34–21.48
32⁺⁰–32⁺⁶	53	20.54	1.66	18.88–22.20
33⁺⁰–33⁺⁶	26	21.09	1.75	19.34–22.84
34⁺⁰–34⁺⁶	6	21.54	1.84	19.70–23.38
35⁺⁰–35⁺⁶	9	21.90	1.93	19.97–23.82

GA, Week^+days; n, number of fetuses; M, mean in millimeters; SD, standard deviation; CI, confidence interval.