Nampt     IL-1β
  r p R p
HOMA-β -0.623 0.039* -0.648 0.034*
QUICKI -0.512 0.029* -0.442 0.042*
HOMA-IR     0.43 0.018* 0.378 0.016*
Nampt - - 0.638 0.000*
IL-1β 0.638 0.000* - -
*p < 0.05. HOMA-β = Homeostasis Model Assessment for beta cell function; QUICKI = The Quantitative Insulin Sensitivity Check Index; HOMA-IR = Homeostasis Model Assessment for Insulin Resistance; Nampt = Nicotinamide phosphoribosyltransferase; IL-1β = Interleukin-1β
Table 4: The Pearson correlation between Nampt / IL-1β and insulin function/ insulin resistance in NIT group.