. Author manuscript; available in PMC: 2023 Nov 1.

Published in final edited form as: Pharm Res. 2022 Aug 2;39(11):2781–2799. doi: 10.1007/s11095-022-03344-5

Table 2.

Content uniformity of tobramycin and colistin in the spray dried combination formulations (n=10)

Formulation	Drug	Drug content (%)		Acceptance value
Formulation	Drug	X ^c	s ^d	Acceptance value

1:1 Col ^a -Tob ^b	Colistin	99.6	2.6	6.1
1:1 Col ^a -Tob ^b	Tobramycin	101.2	1.9	4.6
1:5 Col-Tob	Colistin	98.7	2.0	4.9
1:5 Col-Tob	Tobramycin	99.7	2.4	5.9

Col – colistin

Tob – tobramycin

X – mean drug content

s - standard deviation of drug content