Evidence of Allergic Reactions and Cardiopulmonary Impairments among Traders Operating from Foodstuff Warehouses

Table 3

Electrocardiographic profile of traders who operated from foodstuff warehouses () and open market ().

Variables	Mean	SD	Mean difference	-value	value
Heart rate
(i) WT	71.86	9.249	5.457	1.926	0.060
(ii) OT	66.40	9.022
PR-INT
(i) WT	169.31	25.649	12.181	1.616	0.113
(ii) OT	157.13	21.142
QRS DUR
(i) WT	83.77	14.355	5.305	1.333	0.189
(ii) OT	78.47	8.357
QTc
(i) WT	407.51	24.657	21.048	3.134
(ii) OT	386.47	12.153

indicates significance at ; WT: warehouse foodstuff traders; OT: open market foodstuff traders.