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

Table 1 Clinical characteristics of pediatric patients who underwent bone marrow transplantation, n (%)/mean ± SD/ median (25^th-75^th percentiles)

Patient demography	Total, n = 62 (100)	Allogeneic, n = 48/61 (77.4)	Autologous, n = 13/61 (21.0)	P value (95%CI)
Sex				0.5471
Male	33 (53.2)	27 (56.3)	6 (46.2)
Female	29 (46.8)	21 (43.8)	7 (53.8)
Governorate				0.3772
Northern	26 (41.9)	17 (35.4)	8 (61.5)
Capital	15 (24.2)	13 (27.1)	2 (15.4)
Muharraq	11 (17.7)	9 (18.8)	2 (15.4)
Southern	10 (16.1)	9 (18.8)	1 (7.7)
Age at diagnosis (year)	5.6 ± 4.8	5.4 ± 5.0	5.8 ± 4.0	0.7873 (-2.6, 3.4)
Age group at diagnosis (year)				0.8472
0-5	33 (53.2)	27 (56.3)	6 (46.2)
6-10	20 (32.3)	14 (29.2)	5 (38.5)
11-15	8 (12.9)	6 (12.5)	2 (15.4)
> 15	1 (1.6)	1 (2.1)	0 (0.0)
Age at transplant (year)	7.8 ± 4.9	7.8 ± 5.1	7.2 ± 4.3	0.6933 (-3.7, 2.5)
Age group at transplant (year)				0.5742
0-5	25 (40.3)	21 (43.8)	4 (30.8)
6-10	21 (33.9)	15 (31.3)	6 (46.2)
11-15	13 (21.0)	9 (18.8)	3 (23.1)
> 15	3 (4.8)	3 (6.3)	0 (0.0)
Weight at transplant (kg), (n = 48)	19.1 (12.0-29.8)	19.1 (12.3-29.7)	20.6 (10.7-27.6)	0.7754
Height at transplant (cm), (n = 47)	115.8 ± 30.1	116.6 ± 29.1	113.5 ± 34.1	0.7623 (-23.6, 17.4)
Body mass index, (n = 49)	16.0 (14.4-18.0)	15.9 (14.1-17.9)	16.6 (15.1-17.0)	0.4154
Presence of associated diseases5	29 (46.8)	21 (43.8)	7 (53.8)	0.5471
Previous bone marrow biopsy	35 (56.5)	25 (52.0)	10 (76.9)	0.1281
Number of bone marrow aspirate, (n = 35)	2.0 (1.0-3.0)	2.0 (1.0-3.0)	2.0 (1.0-2.0)	0.1623
Family history of similar condition, (n = 34)	14 (41.2)	13 (27.1)	1 (7.7)	0.1021
Follow-up duration (year)	3.3 ± 2.5	3.41 ± 2.50	2.98 ± 2.42	0.5773 (-1.9, 1.1)
Number of overseas visits	1.0 (1.0-2.0)	1.0 (1.0-2.0)	1.0 (1.0-2.0)	0.9494

¹Fisher’s exact test.

²Pearson’s χ² test.

³Student’s t-test.

⁴Mann-Whitney U test.

⁵Supplementary Table 1.