Table 1. Comparison of success and failure rates in Crawford, Monoka and Masterka intubation.

Age groups (mo)	No. of cases	Crawford	Monoka	P	Masterka	P
12-24	83	58	14	0.045	11	0.002
	Complete success	50 (86.2)	7 (50.0)		3 (27.3)
	Relative success	6 (10.3)	5 (35.7)		2 (18.2)
	Failure	2 (3.5)	2 (14.3)		6 (54.5)
24-36	155	114	24	0.030	17	0.015
	Complete success	95 (83.3)	11 (45.8)		6 (35.3)
	Relative success	16 (14.1)	4 (16.7)		3 (17.6)
	Failure	3 (2.6)	9 (37.5)		8 (47.1)
36-48	100	76	14	0.007	10	0.000
	Complete success	54 (71.1)	7 (50.0)		3 (30.0)
	Relative success	18 (23.7)	3 (21.4)		1 (10.0)
	Failure	4 (5.2)	4 (28.6)		6 (60.0)

n (%)