Table 1. Characteristics of 105 multiple myeloma patients diagnosed from 2007–2010.

	All patients n (%)	Array comparative genomic hybridization (8 cases) n (%)*
Gender
Male	58 (55.2)	5 (62.5)
Female	47 (44.8)	3 (37.5)
Age at diagnosis (years)
≤55	43 (40.9)	2 (25.0)
>55	59 (56.2)	6 (75.0)
Unknown	3 (2.9)	-
Ethnic group
Malay	57 (54.3)	4 (50.0)
Chinese	27 (25.7)	1 (12.5)
Indian	21 (20.0)	3 (37.5)
Cytogenetic analysis
Positive°	3 (2.9)	-
Negative	56 (53.3)	4 (50.0)
Unknown#	46 (43.8)	4 (50.0)
Disease type
New	90 (85.7)	8 (100)
Relapsed	15 (14.3)	-

^*Patients selected for array comparative genomic hybridization analysis;

^°multiple chromosomal abnormalities were seen with karyotyping;

^#insufficient/ short/ no chromosome spread were available for cytogenetic analysis.