TABLE 2.

Median Overall Quality and Appropriateness Scores of Apple and Android Apps: Free and Paid Versions

Feature	Overall Quality Score			Appropriateness Score
	Median Score (%, IQR)[n]		P Value	Median Score (%, IQR)[n]		P Value
	Free	Paid		Free	Free
Apple platform
Monitoring	31/62 (50.0, 19.4) [n = 9]	34/62 (54.8, 21.0) [n = 9]	0.605	12/24 (50.0, 33.3) [n = 9]	15/24 (62.5, 33.3) [n = 9]	0.423
Medication interaction checker	39/56 (70.5, NA) [n = 2]	NA (NA, NA) [n = 0]	NA	12/18 (66.7, NA) [n = 2]	NA (NA, NA) [n = 0]	NA
Dose calculator	29/49 (59.2, 16.3) [n = 4]	28/49 (56.1, NA) [n = 2]	0.800	5/11 (40.9, 47.7) [n = 4]	6/11 (50.0, NA) [n = 2]	0.812
Medication information	38/60 (63.3, 22.7) [n = 5]	35/60 (58.3, NA) [n = 2]	0.857	14/22 (63.6, 22.7) [n = 5]	12/22 (54.6, NA) [n = 2]	0.693
Medication record	20/46 (42.4, NA) [n = 2]	NA (NA, NA) [n = 1]	0.667	4/8 (43.8, NA) [n = 2]	NA (NA, NA) [n = 1]	0.221
Android platform
Monitoring	33/62 (53.2, 25.0) [n = 5]	40/62 (65.3, 6.5) [n = 4]	0.032a	13/24 (54.2, 37.5) [n = 5]	15/24 (62.5, 20.8) [n = 4]	0.217
Medication interaction checker	36/56 (64.3, 17.4) [n = 4]	NA (NA, NA) [n = 0]	NA	14/18 (77.8, 31.9) [n = 4]	NA (NA, NA) [n = 0]	NA
Dose calculator	29/49 (59.2, NA) [n = 3]	25/49 (51.0, 12.2) [n = 5]	0.071	6/11 (54.6, NA) [n = 3]	4/11 (36.4, 40.9) [n = 5]	0.365
Medication information	36/60 (60.0, 31.7) [n = 7]	31/60 (51.7, NA) [n = 3]	0.667	15/22 (68.2, 59.1) [n = 7]	10/22 (45.5, NA) [n = 3]	0.563
Medication record	NA (NA, NA) [n = 1]	29/46 (64.1, 8.7) [n = 4]	0.400	NA (NA, NA) [n = 1]	5/8 (56.3, 21.9) [n = 4]	0.709

^a Statistical significance of P < 0.05 in overall quality score between Android free and paid apps.

IQR = interquartile range; NA = not applicable.