Table 1.
Study sample | Age range (weeks) | Sample size | Data type | References for further studies of data set |
---|---|---|---|---|
Young unaffected | 12–31 | 14 | Cross-sectional | 24 |
Old unaffected | 33–81 | 8 | ||
Young UCLP pre-op | 3–18 | 28 | Longitudinal | 19, 22, 23 |
Old UCLP post-op | 40–58 | 28 | 22, 23 | |
Young SS pre-op | 11–37 | 17 | Mixed cross-sectional | 11, 24 |
Old SS post-op | 66–96 | 9 | 11 |