Abstract
We performed arginine and sleep tests (blood samples from latter collected every 30′ for 12 hours) twice within two weeks in 21 short patients with mean C.A. 11.15 years (range 7.5 - 15.91 years); 14 males, 7 females; 12 prepubertal, 9 pubertal. Mean height SDS was -2.28 ±0.65 (r -3.85, -1.37); predicted height was 168 cm. for males, 152 cm. for females. We calculated % difference between same parameters of double tests (al, a2) according to formula [a1-a2/(a1 + a2)/2] × 100. Results were following; % differences:
Despite great variability between all tests, variations between physiological and pharmacological tests are highly significant (1,2 versus 3, 4, 6, 6). In 22 short patients with mean C.A. 11.44 ±2.72 (r 4.16-15.5 years), 13 N, 9 F, 11 impubertal and 11 pubertal, lean height SDS -2.34 ±0.92 (r -5.34, -1.17), predicted height 168 ct (males), 151 cm (females), arginine and/or L-Dopa tests were performed twice. Differences in double tests overall:
In conclusion sleep test showed less variability than pharmacological tests.
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Tassoni, P., Zappula, F., Cau, M. et al. 83 VARIABILITY OF ARGININL-DOPA AND SLEEP TEST PERFORMED TWICE IN THE SAME PATIENTS. Pediatr Res 24, 531 (1988). https://doi.org/10.1203/00006450-198810000-00104
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DOI: https://doi.org/10.1203/00006450-198810000-00104