Characteristics	Category	Group I (MSG)			Group II (HPA)
Characteristics	Category	n	Mean Rank	Test score (P-value)	N	Mean Rank	T score (P-value)
Days of Hospital stay	<1 week	22	13.09	31 (0.906)^a	18	12	45 (0.297)^a
Days of Hospital stay	>1 week	3	12.33	31 (0.906)^a	7	15.57	45 (0.297)^a
Insertion site	Wrist	7	11.64	0.888 (0.828)^b	10	11.25	5.912 (0.116)^b
	Forearm	4	15		3	15
	Dorsum of Hand	7	12		8	17.25
	Cubital fossa	7	14.21		4	7.38
Size of cannula (Gauge)	<20 G	17	13.21	64.50 (0.842)^a	21	13.43	33 (0.543)^a
Size of cannula (Gauge)	>20 G	8	12.56	64.50 (0.842)^a	4	10.75	33 (0.543)^a
Frequency of Insertion	First	2	10.25	17.50 (0.600)^a	4	13.62	39.50 (0.858)^a
Frequency of Insertion	≥second	23	13.24	17.50 (0.600)^a	21	12.88	39.50 (0.858)^a