Table 2—

Demographic, clinical, and biochemical characteristics in black subjects by antibody status

VariableAt least one conventional antibodyAbsent conventional antibodiesP
n7934
Age at onset (years)9 ± 4.112 ± 3.60.001
Male/female (%)49/5141/590.42
Obesity (BMI ≥85th percentile; %)*24830.00001
BMI19.2 ± 6.429.8 ± 11.70.0005
BMI SDS0.014 ± 1.7541.636 ± 1.1520.005
BMI percentile (M/F)87/85>97/>97
Tanner stage 4 or 5 (%)25670.00004
Acanthosis nigricans (%)5480.00003
Insulin dosage at discharge (units/kg)0.88 ± 0.360.93 ± 0.500.64
Parent with diabetes (%)§19480.004
Family history of diabetes (%)§83770.54
Ketones (%)83480.0006
Bicarbonate level (meq/l)15.8 ± 7.619.6 ± 7.80.04
Acidosis (% bicarbonate <18 meq/l)50280.06
Cholesterol level (mg/dl)157 ± 27203 ± 510.01
ICA(R)+ (%)69290.0004
ICA(H)+ (%)810
GAD65 AA+ (%)750
IA-2 AA+ (%)580
IAA+ (%)330
  • Data are means ± SD unless otherwise noted. Data available for indicated number of black subjects with at least one or no antibodies, respectively:

  • * 65 and 31;

  • 72 and 33;

  • 42 and 25;

  • § 58 and 31;

  • 35 and 17.