Table 1.

Comparison of general characteristics of patients in the two study groups

Variables	Categories	Misdiagnosed group, n = 62	Diagnosed group, n = 58	χ2	P value
Gender	Male	24 (38.71)	27 (46.55)	0.754	0.385
	Female	38 (61.29)	31 (53.45)
Age (yr)	60-70	48 (77.42)	39 (67.24)	3.283	0.194
	71-80	10 (16.13)	17 (29.31)
	> 80	4 (6.45)	2 (3.45)
Occupation	Farmer	48 (77.42)	45 (77.59)	0.000	1.000
	Non-farmer	14 (22.58)	13 (22.41)
Resident area	Rural	41 (66.13)	38 (65.52)	0.005	0.944
	Urban	21 (33.87)	20 (34.48)
Onset time		6.32 (4.94, 16.02)	3.73 (2.37, 8.52)	-3.899	0.000b

Data presented as n (%) or as median (first quartile, third quartile).

^bP < 0.01.