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. 2023 Jul 21;18:207. doi: 10.1186/s13023-023-02800-8

Table 5.

Change in plasma arginine concentration from beginning to end of treatment periods

Treatment
First value after start of treatment period Last value available for treatment period P-valuea
During arginine treatment periods
Plasma arginine concentration, µmol/L
Mean (SD) 56.0 (35.1) 62.5 (49.8) 0.76
Median (Range) 46.0 (3.0–166.0) 49.0 (8.0–209.0)
Data available (data missing), n 37 (18) 25 (30)
During citrulline treatment periods
Plasma arginine concentration, µmol/L
Mean (SD) 67.6 (56.6) 84.9 (46.0) 0.05
Median (Range) 55.0 (10.0–318.0) 76.0 (39.0–231.0)
Data available (data missing), n 25 (7) 19 (13)
During arginine + citrulline treatment periods
Plasma arginine concentration, µmol/L
Mean (SD) 62.0 (43.4) 64.1 (38.6) 0.60
Median (Range) 52.0 (7.0–265.0) 58.0 (14.0–199.0)
Data available (data missing), n 54 (6) 51 (9)

Data shown are per treatment period (total 147 periods) in the exposed population (N = 79)

aKruskal Wallis test

SD, standard deviation