. Author manuscript; available in PMC: 2020 Nov 1.

Published in final edited form as: Blood Cells Mol Dis. 2019 Aug 5;79:102350. doi: 10.1016/j.bcmd.2019.102350

Table 1.

Clinical associations and RBC adhesion in adult men with HbSS, with or without a history of priapism

Clinical Data	History of Priapism (n=14, median, range)		No History of Priapism (n=10, median, range)		P Value
Age^* (years)	34 (24–63)		29 (21–45)		0.078
Hgb (g/dL)	7.85 (6.1–11.9)		9.1 (7–10.6)		0.105
Reticulocyte Count (10⁹/L)	275 (65–770)		245 (115–749)		0.487
Total Bilirubin (mg/dL)^*	3.6 (0.5–11.5)		2.2 (0.7–6.8)		0.178
WBC (10⁹/L)	11.48 (7.1–16.6)		8.65 (5.5–17.2)		0.022
ANC (x10⁶/L)	7160 (2190–11300)		4275 (2710–10460)		0.045
LDH (U/L)	474 (217–1114)		278 (122–360)		0.008
Ferritin (ug/L)^*	2433 (60–7680)		360 (11–8900)		0.471
Hemoglobin Desaturation in vivo	71% of subjects (10/14)		46% of subjects (5/12)		0.126 (χ²)
RBC Adhesion^*	Ambient 529 (5–5248)	Hypoxic 3268 (49–18368)	Ambient 402 (14–785)	Hypoxic 122 (31–4112)	Priapism 0.004	No Priapism 0.635

non-normal distribution.