Post-transplant erythrocytosis after kidney transplantation: A review

Table 3 Effect on hemoglobin and hematocrit after use of theophylline

Ref.	Number of patients	Hgb pre	Hgb post	P value	Hct pre	Hct post	P value	Drug (mg/d)	Duration (wk)
Bakris et al[61], 1990	8				58	46	< 0.05	Theophylline	8
Grekas et al[62], 1995	8				58	50	< 0.05	Theophylline 600	8
Ok et al[25], 1995	9				56	52	NA	Theophylline 600	8
Yagisawa et al[63], 1996	1				50.3	53.5	NA	Theophylline	4
Trivedi et al[33], 2003	5	17.4 ± 0.7	18.1 ± 0.9	> 0.05	52.4 ± 2.7	54.7 ± 3.9	> 0.05	Theophylline	12

Hgb: Hemoglobin; Hct: Hematocrit; NA: Not available.