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Table 1 Clinical and demographic characteristics of all patients (N = 1943)

From: Clinical and demographic features among patients with type 1 diabetes mellitus in Henan, China

Characteristic

Missing (%)

n (%) or Median (IQR)

Male

0 (0)

984(50.6)

Current age(year)

0 (0)

26(16, 38)

Age at onset(year)

0 (0)

22(13, 32)

Duration(year)

453 (23.3)

3(1,8)

HbA1c (%)

218 (11.2)

10.3(8.2, 12.5)

HbA1c (mmol/mol)

218 (11.2)

89(66,113)

Overweight or Obesity

693 (35.7)

211(16.9)

Overweight

693 (35.7)

171(13.7)

Obesity

693 (35.7)

40(3.2)

Retinopathy

82(4.2)

468(25.1)

Glutamic acid decarboxylase antibody

772 (39.7)

329(28.1)

Islet-cell antibodies

779(40.1)

252(21.6)

Insulin antibodies

779 (40.1)

74(6.4)

Dyslipidemia

297(15.3)

623 (37.8)

High total cholesterol

301 (15.5)

140(8.5)

High triglyceride

305 (15.7)

185(11.3)

Low high-density lipoprotein cholesterol

312 (16.1)

472(29.0)

High low-density lipoprotein cholesterol

288 (14.8)

116(7.1)

DKA at onset in newly diagnosed patients

52(11.5)

239(59.6)

Fasting C-peptide (ng/ml)

214 (11.0)

0.3 (0.1, 0.5)

2-h C-peptide (ng/ml)

214 (11.0)

0.8 (0.3, 1.3)

  1. Comment: Values were presented as numbers of patients(percentages) or median (interquartile range).