Mean platelet volume (MPV): new diagnostic indices for co-morbidity of tuberculosis and diabetes mellitus

BMC Infectious Diseases

Table 3 The associated parameters of ROC in TB, DM and TB + DM groups

	Sensitivity%	Specificity%	AUC	95% CI	P
DM vs TB+DM group
Glucose	52.5	50.0	0.540	0.441-0.638	0.432
MPV	64.9	66.1	0.705	0.618-0.792	<0.0001*
Glucose+MPV	76.3	62.2	0.716	0.630-0.802	<0.0001*
TB vs TB+DM group
Culture	17.0	93.2	0.553	0.469-0.636	0.227
MPV	60.8	66.4	0.630	0.544-0.716	0.003*
Culture+MPV	72.6	56.8	0.645	0.561-0.729	0.001*
DM vs TB+DM group
Glucose	52.5	50.0	0.540	0.441-0.638	0.432
PCT	69.5	55.4	0.635	0.541-0.728	0.008*
Glucose+PCT	72.9	55.4	0.645	0.552-0.738	0.004*

The AUC curve results of MPV and PCT in TB, DM and TB+DM groups. TB Tuberculosis group, DM Diabetes group, TB+DM TB-DM co-morbidity group, Glucose Fasting blood glucose, Culture mycobacterium tuberculosis culture, PLT Platelet, MPV Mean platelet volume, PDW Platelet distribution width, PCT Plateletcrit, AUC Area under curve, 95% CI 95% confidence interval. *Significant value (P <0.05)

ISSN: 1471-2334