Table 3.

The Length of Hospital Stay in Relation to Different Factors

Variables		Length of Hospital Stay				p-value
		≤ 4 Days		> 4 Days
		Number	%	Number	%
Gender	Females	23	39.7%	15	41.7%	0.847
	Males	35	60.3%	21	58.3%
Age groups	< 7 years	22	37.9%	18	50.0%	0.25
	≥ 7 years	36	62.1%	18	50.0%
Nationality	Non-Saudi	26	44.8%	17	47.2%	0.821
	Saudi	32	55.2%	19	52.8%
VOC	No	17	29.3%	16	44.4%	0.135
	Yes	41	70.7%	20	55.6%
Limb pain	No	32	55.2%	19	52.8%	0.821
	Yes	26	44.8%	17	47.2%
Back pain	No	34	58.6%	28	77.8%	0.057
	Yes	24	41.4%	8	22.2%
Abdominal pain	No	49	84.5%	29	80.6%	0.622
	Yes	9	15.5%	7	19.4%
Generalized pain	No	52	89.7%	29	80.6%	0.214
	Yes	6	10.3%	7	19.4%
Infections	No	49	84.5%	22	61.1%	0.01*
	Yes	9	15.5%	14	38.9%
ACS	No	55	94.8%	22	61.1%	<0.001*
	Yes	3	5.2%	14	38.9%
Hemolytic crisis	No	48	82.8%	34	94.4%	0.099
	Yes	10	17.2%	2	5.6%
Recurrent crisis	No	35	60.3%	19	52.8%	0.471
	Yes	23	39.7%	17	47.2%
Ospen	No	39	67.2%	18	50.0%	0.096
	Yes	19	32.8%	18	50.0%
Folic acid	No	19	32.8%	14	38.9%	0.55
	Yes	39	67.2%	22	61.1%
HU	No	35	60.3%	29	80.6%	0.04*
	Yes	23	39.7%	7	19.4%

Notes: chi-square test, *Significant value.

Abbreviations: VOC, vaso-occlusive crisis; ACS, acute chest syndrome; HU, hydroxyurea.