TABLE 1.

Health status of patients in the study

Parameter	Value for group
	Total	Cavity+	Cavity−
No. of patients	91	59	32
Age (yrs [mean ± SD])	59 ± 22	56 ± 21	64 ± 22
Gender (no. of males/no. of females)	60/31	42/17	18/14
No. of patients with history of:
TB	20	14	6
Gastrectomy	3	3	3
Diabetes mellitus	14	7	7
Chronic renal failure	5	2	3
Diabetes mellitus and chronic renal failure	1	0	1