Table 5.
Correlation between islet antigen-2 autoantibody (IA-2A) and connecting peptide (C-P).
| Parameters | Connecting Peptide (C-P) (ng/ml) | P-value | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| L. than N (>3) | Normal (3–6) | H. than N (>6) | Total | ||||||||
| Freq. (%) | Mean | Freq. (%) | Mean | Freq. (%) | Mean | Freq. (%) | Mean | ||||
| IA-2A | T1D (n=60) | Positive (n=23) | 20 (86.9) | 2.6 | 3 (13) | 4.4 | 0 (0) | 0 | 23 (100) | 3.1 | P<0.05 |
| Negative (n=37) | 20 (54.1) | 2.6 | 16 (43.2) | 4.7 | 1 (2.7) | 8.1 | 37 (100) | 4.1 | |||
| Total (n=60) | 41 (68.3) | 2.6 | 18 (30) | 4.7 | 1 (1.7) | 8.1 | 60 (100) | 3.7 | |||
| HC (n=30) | Positive (n=1) | 0 (0) | 0 | 1 (100) | 5.1 | 0 (0) | 0 | 1 (100) | 5.3 | P<0.05 | |
| Negative (n=29) | 1 (3.4) | 3.6 | 10 (34.5) | 6.1 | 18 (62.1) | 8.5 | 29 (100) | 7.6 | |||
| Total (n=30) | 1 (3.3) | 3.6 | 11 (36.7) | 6 | 18 (60) | 8.5 | 30 (100) | 7.5 | |||
N – Normal; Freq – Frequency; L – Low; H – High.