Table 1. Demographics of study subjects.

Category	TRC inside UADT (n = 113) (%)	TRC outside UADT (n = 17) (%)	None TRC (n = 21) (%)	Cancer free controls (n = 210) (%)
Males	75 (66)	3 (18)	6 (29)	137 (65)
Females	38 (34)	14 (82)	15 (71)	73 (34)
Age(years)
Median	50	50	44	46
Range	26–75	31–70	23–79	20–84
Types of MPN
Synchronous	33 (29)	3 (18)	3 (14)	NA
Metachronous	80 (71)	14 (82)	18 (86)	NA
Tobacco Habit
No habit	15 (13)	8 (47)	11 (52)	21 (10)
Only T	70 (62)	8 (47)	8 (38)	160 (76)
T+A	25 (22)	1 (6)	1 (5)	27 (13)
No information	3 (3)	0	1 (5)	2 (1)

T- Tobacco habit alone either in form of chewing or smoking.

T+A – Tobacco in form of chewing or smoking along with alcohol.

48.6% cases and 61.4% controls used smokeless tobacco in form of masheri.