Characteristics and outcomes of Bahraini pediatric patients sent abroad for bone marrow transplantation: A ten-year retrospective cohort study

Table 4 Analysis of outcome in pediatric first bone marrow transplantation, n (%)/mean ± SD/ median (25^th-75^th percentiles)

Variable	Survived, n = 48 (77.4)	Died, n = 14 (22.6)	P value (95%CI)
Sex			1.0001
Male	26 (54.2)	7 (50)
Female	22 (45.8)	7 (50)
Area of residence			0.1142
Northern	17 (35.4)	9 (64.3)
Capital	14 (29.2)	1 (7.1)
Southern	9 (18.8)	1 (7.1)
Muharraq	8 (16.7)	3 (21.4)
Age at BMT (year)	7.9 ± 5.0	7.4 ± 4.6	0.772 (-2.6-3.4)3
Age group at BMT			0.8202
0-5	19 (76.0)	6 (24.0)
6-10	16 (76.2)	5 (23.8)
11-15	10 (76.9)	3 (23.1)
> 15	3 (100)	0 (0.0)
Weight at transplant (kg), (n = 48)	21.2 (12.3-29.7)	18.1 (8.8-24.6)	0.2804
Height at transplant (cm), (n = 47)	116.8 ± 28.8	110.9 ± 37.8	0.619 (-17.8-29.6)3
Body mass index, (n = 49)	16.0 (14.4-18.6)	16.0 (15.4-17.0)	0.5854
Presence of associated diseases	24 (50.0)	5 (35.7)	0.3801
Type of graft (n = 61)			1.0001
Autologous	10 (20.8)	3 (23.1)
Allogeneic	38 (79.2)	10 (76.9)
Donor-recipient relationship (n = 61)			0.8632
Related donors	37 (77.1)	10 (76.9)
Patients themselves	10 (20.8)	3 (23.1)
Unrelated donors	1 (2.1)	0 (0.0)
Indications of BMT
Acute myeloid leukemia	8 (16.7)	7 (50.0)	0.0281
Other indications	40 (83.3)	7 (50.0)
Post-BMT complications (n = 58)	45 (95.7)	13 (100.0)	1.0001
BMT countries			0.0382
Middle East	43 (89.6)	9 (64.3)
Other countries	5 (10.4)	5 (35.7)
Follow-up duration (year)	3.9 ± 2.3	0.8 ± 1.3	< 0.0001 (2.1-4.1)3

¹Fisher’s exact test.

²Pearson’s χ² test.

³Student’s t-test.

⁴Mann-Whitney U test.

BMT: Bone marrow transplantation.