Table 2 Mean scores and standard deviations for the metabolic measures for the off‐diet and on‐diet groups with PKU.
| Variables | Group | p Value | |||||
|---|---|---|---|---|---|---|---|
| PKU off diet (n = 25) | PKU on diet† (n = 25) | ||||||
| Mean | (SD) | (Range) | Mean | SD | Range | ||
| Mean Phe level age 1–4‡ | 460.59‡ | (181.91) | (171.75–786.69) | 450.58§§ | (123.97) | (255.75–727.5) | |
| Mean Phe level age 5–8‡ | 586.5§ | (199.91) | (276–986.25) | 456.85§§ | (127.3) | (237.13–740) | * |
| Mean Phe level age 9–12‡ | 917.69 | (209.53) | (430–1380) | 697.3§§ | (280.65) | (175–1275) | * |
| Mean Phe level age 13–16§ | 1153.24‡ | (242.91) | (859–1710) | 775.7‡ | (255.9) | (422.25–1411.5) | * |
| Mean Phe level age 17–20§ | 1345.79§ | (282.26) | (845–2013) | 867.73‡ | (248.89) | (448–1443.13) | * |
| Mean Phe level age 21–24¶ | 1362.55** | (268.87) | (850–1774.5) | 850.74§ | (229.44) | (323.75–1216.81) | * |
| Mean Phe level age 25–28** | 1408.19†† | (426.96) | (989–2815.5) | 868.63¶¶ | (187.4) | (572–1170.09) | * |
| Mean Phe level age 29–32†† | 1320.46‡‡ | (262.99) | (995–1736) | 795.75*** | (228.62) | (470.32–1194.25) | * |
| Concurrent Phe level§ | 1285.68 | (197.83) | (990–1651) | 758.79‡ | (261.27) | (221–1233) | * |
| Recent Phe level§ | 1317.77 | (221.78) | (1013.67–1710) | 797.62‡ | (240.8) | (283.4–1153) | * |
Phe, phenylalanine; PKU, phenylketonuria.
*p<0.05.
†PKU on‐diet group from Channon et al.23
‡n = 24.
§n = 23.
¶n = 22.
**n = 17.
††n = 19.
‡‡n = 15.
§§n = 21.
¶¶n = 16.
***n = 12.