TABLE 4.

Biochemical variables in DM patients with and without TB^* in a tertiary care hospital of South India, March–December 2012

Characteristic	DM patients with TB (N = 47) mean ± SD or n (%)	DM patients with no TB* (N = 6920) mean ± SD or n (%)	P value
Fasting plasma glucose, mg/dl	189.4 ± 75.1	170.4 ± 69.7	0.17
Postprandial plasma glucose, mg/dl	302.9 ± 124	265 ± 111	0.05
Glycosylated haemoglobin†	9.2 ± 2.1	8.5 ± 2.1	0.03
<7	7 (15.9)	1234 (24.4)	0.26
7–8.9	13 (29.5)	1988 (39.3)	0.24
≥9	24 (54.5)	1834 (36.3)	0.02

^*Those with no symptoms suggestive of TB.

^†Data available for 44 DM patients with TB and 5056 DM patients without TB.

TB = tuberculosis; DM = diabetes mellitus.