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. Author manuscript; available in PMC: 2013 Feb 26.
Published in final edited form as: Pediatr Phys Ther. 2008 Spring;20(1):3–10. doi: 10.1097/PEP.0b013e31815f66a6

Table 7.

MSD and RMSD by Age Group

Age Group MSD RMSD
PCA 34–35 wks* 0.359 0.766
PCA 36–37 wks 0.071 0.532
PCA 38–39 wks 0.161 0.499
PCA 40–41 wks 0.022 0.463
2–3 wks AA** 0.048 0.492
4–5 wks AA 0.101 0.508
6–7 wks AA 0.019 0.464
8–9 wks AA 0.014 0.503
10–11 wks AA 0.114 0.397
12–13 wks AA −0.054 0.523
14–15 wks AA −0.025 0.574
16–17 wks AA 0.090 0.481
*

wks PCA = postconceptional age in weeks

**

wks AA = post term age in weeks, adjusted for prematurity