Table 2 Proportion negative for autoantibodies by duration (years) and C-peptide (pmol/l)

C-peptide range

[0, 30]

(30, 200]

(200, 600]

(600, 7e+03]

Duration

0 to 5

5% 5/92

9% 15/168

12% 28/243

35% 54/155

5 to 10

15% 49/326

13% 26/196

28% 24/87

69% 47/68

10 to 15

17% 97/568

21% 26/122

45% 25/56

75% 53/71

15 or more

30% 997/3272

36% 108/300

59% 68/116

80% 49/61

All

27% 1148/4258

22% 175/786

29% 145/502

57% 203/355