Blood donation projections using hierarchical time series forecasting: the case of Zimbabwe’s national blood bank

BMC Public Health

Table 2 Descriptive statistics

	Variables	N	Mean	Sd	Min	Max	Skew	Kurtosis
A_M	1	144	725.02	239.74	169	1389	0.21	-0.45
B_M	2	144	550.95	182.16	128	1055	0.21	-0.45
AB_M	3	144	115.99	38.38	27	222	0.21	-0.45
O_M	4	144	1507.85	498.63	351	2888	0.21	-0.45
A_F	5	144	591.47	192.83	144	1091	0.22	-0.49
B_F	6	144	449.45	146.57	109	829	0.22	-0.49
AB_F	7	144	94.69	30.87	23	175	0.22	-0.48
O_F	8	144	1230.03	401.10	299	2269	0.22	-0.49

A _M Male donor of blood group type A, B _M Male donor of blood group type B, AB _M Male donor of blood group type AB, O _M Male donor of blood group type O, A _F Female donor of blood group type A, B _F Female donor of blood group type B, AB _F Female donor of blood group type AB, O _F Female donor of blood group type O

ISSN: 1471-2458