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Table 3 Median sample frequency (range) in 10 months

From: "MY PKU": increasing self-management in patients with phenylketonuria. A randomized controlled trial

  Sample frequency
Pre-study
Sample frequency
Study
P-value
(pre-study vs study)
Group 1 total 8.00 (0-29) 8.00 (0-23) 0.43
Group 1 ≥ 4 years 7.50 (0-17) 8.00 (0-23) 0.14
Group 2 total 7.50 (2-14) 8.00 (1-21) 0.36
Group 2 ≥ 4 years 6.00 (2-14) 7.00 (1-21) 0.31
  1. Group 1 = online availability (n = 21)
  2. Group 2 = usual procedure (n = 16)