Table 2.

Summary of detection techniques used for CRC detection based on cost-effectiveness.

Techniques used	Sensitivity	Specificity	Cost effectiveness	References
Colonoscopy	95%	88–98%	Higher cost when compared to other methods.	(54)
Sigmoidoscopy	95%	87%	More affordable than a colonoscopy	(59)
Colon Capsule Endoscopy	76.7%	90.7%	More expensive than a colonoscopy	(12)
g-FOBT	96–98%	50–75%	More affordable than a colonoscopy	(12)
FITs	94%	74%	More affordable than a colonoscopy	(70)
stool DNA testing	85%	93%	More expensive than a FITs	(64)
Computed tomography colonography	66.7–93.5%	96.0–97.9%	More affordable than a colonoscopy.	(65)
DCBE	80%	95%	Almost same as colonoscopy	(66)
Serological tests	68%	79%	More affordable than a colonoscopy	(69, 70)