Table 3.

Mean spleen sizes of the sickle cell disease patients by age compared with those of the controls

AGC in years	Gs.	Spleen Length in Centimeter			Spleen Width in Centimeter
		F	M	SD	F	M	SD
		t-v	P-v		t-v	P-v
2 – 6	SCD	17	85.35	19.52	17	43.00	9.73
Versus		5.82	0.00		5.76	0.00
2 – 6	HbAA	17	55.53	8.08	17	26.71	6.42
7 – 11	SCD	20	113.95	37.37	20	53.60	16.57
versus		5.04	0.00		4.50	0.00
7 – 11	HbAA	19	70.90	7.65	19	35.84	5.93
12 – 16	SCD	12	113.50	41.11	12	54.58	23.67
versus		3.11	0.01		2.84	0.02
12 – 16	HbAA	14	78.93	6.92	14	36.21	4.92
17 – 21	SCD	11	90.45	49.12	11	42.27	24.12
versus		− 0.03	0.98		−0.02	0.99
17 – 21	HbAA	13	90.85	12.90	13	42.38	3.84
22 – 26	SCD	10	94.20	47.79	10	46.90	28.54
versus		− 0.04	0.98		0.01	0.99
22 – 26	HbAA	18	94.67	8.73	18	46.83	6.27
27 – 31	SCD	5	59.80	26.40	5	27.40	17.07
versus		−3.23	0.04		−3.18	0.04
27 – 31	HbAA	8	94.00	11.93	8	49.38	8.00
32 and above	SCD	4	97.00	40.64	4	51.50	26.21
Versus		0.41	0.84		0.92	0.64
32 and above	HbAA	14	92.43	9.83	14	44.64	7.25

AGC = Age groups being compared. Gs = Genotype status. F= Frequeency

M= Mean: SD = Standard Deviation: t-v = t-value: P-v = P-value

HbAA= Homozygous Haemoglobin AA or the Normal Genotype

SCD = Sickle Cell Disease