Table 5.

Test of Significance for Price Variation.

Comparison	t value	P value	Mean Difference (Lower–Upper)	SD	Mean (Minimum–Maximum)
Retailer at TUTH vs TUTH hospital pharmacy	4.439	.00	195.40 (104.12 to 286.69)	211.09699	195.4048 (6.25 to 667.54)
Retailer at MCVTC vs MCVTC hospital pharmacy	7.438	.00	100.52 (72.49 to 128.55)	64.81391	100.5221 (10.34 to 244.83)
Retailer SGNHC vs SGNHC hospital pharmacy	1.887	.072	12.10 (−1.20 to 25.39)	30.74784	12.0984 (−14.47 to 150.00)

Abbreviations: MCVTC, Manmohan Cardio Thoracic and Vascular Transplant Centre; SD, standard deviation; SGNHC, Sahid Gangalal National Heart Centre; TUTH, Tribhuvan University Teaching Hospital.