only marginally significantP = 0.05
Advanced disease stage (stage III/IV) was also a more frequent finding among exposed patients (77.8%) than among unexposed controls (55.7%) although it was only marginally significant ( P = 0.05).
Advanced disease stage (stage III/IV) was also a more frequent finding among exposed patients (77.8%) than among unexposed controls (55.7%) although it was only marginally significant ( P = 0.05).