Table 2: Basic clinical and biochemical characteristics by quartiles of CA19-9.

Variables CA19-9 quartile value
1 (Lowest)234 (Highest)

Age (y) * 0.023
Duration (y)8.0 (3.0–12.0)9.0 (4.0–12.5)8.0 (3.0–13.0)8.0 (3.0–13.0)0.327
ALT (U/L)17.00 (13.00–26.00)19.00 (13.75–30.00)17.00 (13.00–75.00)19.00 (12.00–29.00)0.398
AST (U/L)19.00 (15.00–24.00)19.00 (16.00–24.75)18.50 (16.00–24.00)19.00 (16.00–25.00)0.508
TC (mmol/L) **##▲0.001
TG (mmol/L)1.45 (0.99–2.08)1.43 (1.04–2.04)1.47 (0.93–2.07)1.44 (0.97–2.21)0.739
HDL (mmol/L) * 0.167
LDL (mmol/L) 0.168
BUN (mmol/L) 0.056
Cr (μmol/L)67.00 (57.00–78.25)68.00 (57.00–81.00)64.00 (54.00–77.00)63.00 (51.75–80.50)0.363
FPG (mmol/L) ** **# **##<0.001
2hPG (mmol/L) ** ** **<0.001
HbA1c (%) ** **## **##▲▲<0.001
GA (%) * **## **##▲▲<0.001
CP0 (ng/mL)2.195 (1.383–4.228)1.80 (1.18–2.695)*1.705 (1.04–2.553)**1.29 (0.64–2.03)**#<0.001
CP120 (ng/mL)5.32 (2.85–15.05)4.21 (2.53–5.82)**3.27 (1.76–5.44)**#2.38 (1.31–4.15)**#<0.001
CP (ng/mL)2.76 (1.34–9.388)2.09 (0.94–3.41)**1.55 (0.53–2.77)**#1.00 (0.41–2.06)**#▲<0.001

Data represent means ± S.D. or median (interquartile range), * , ** versus group 1; # ,  ## versus proup 2; ,  ▲▲ versus proup 3.