Table 2.

Rates by error type and subtype in handwritten versus FormularyScript

Error type and subtype	Handwritten, N (%)	FormularyScript, N (%)	Δ %	p Value	CI
Legibility	4349 (16.1)	4146 (0.1)	16.0	<0.001	14.9 to 17.1
Drug name	4349 (5.7)	4146 (0.1)	5.6	<0.001	4.9 to 6.3
Strength	1183 (5.8)	904 (0.0)	5.8	<0.001	4.5 to 7.2
Route	564 (2.3)	161 (0.0)	2.3	0.052	1.1 to 3.5
Which eye	3785 (6.5)	3985 (0.0)	6.5	<0.001	5.7 to 7.3
Frequency	4336 (4.6)	4144 (0.0)	4.6	<0.001	4.0 to 5.2
Dispense amount	4336 (1.3)	4144 (0.0)	1.3	<0.001	0.9 to 1.6
Ambiguous	4349 (0.6)	4146 (2.5)	−1.9	<0.001	−2.4 to −1.3
Drug name	4336 (0.3)	4144 (0.6)	−0.3	0.03	−0.6 to −0.0
Which eye	3785 (0.3)	3985 (2.5)	−2.2	<0.001	−2.6 to −1.6
Incomplete	4349 (16.1)	4146 (0.1)	16.1	<0.001	14.8 to 17.0
Medication name	4344 (12.3)	4145 (0.0)	12.3	<0.001	11.3 to 13.2
Strength	1184 (6.0)	904 (0.0)	6.0	<0.001	4.6 to 7.3
Route	563 (15.3)	161 (1.2)	14.1	<0.001	10.6 to 17.5
Which eye	3785 (0.2)	3986 (0.1)	0.0	0.70	−0.1 to 0.2
Frequency	4346 (0.5)	4146 (0.0)	0.5	<0.001	0.3 to 0.7
Dispense amount	4346 (0.1)	4146 (0.0)	0.0	0.34	−0.0 to 0.0
Abbreviation	4349 (3.1)	4146 (0.3)	2.9	<0.001	2.3 to 3.4
Drug name	4346 (3.1)	4146 (0.3)	2.9	<0.001	2.3 to 3.4
Accuracy	4349 (0.8)	4146 (0.6)	0.2	0.21	−0.1 to 0.6
Drug name	4336 (0.1)	4146 (0.1)	−0.1	0.28	−0.2 to 0.1
Strength	1187 (0.2)	911 (0.0)	0.2	0.21	−0.1 to 0.4
Route	558 (0.2)	154 (0.0)	0.2	0.60	−0.2 to 0.5
Which eye	3789 (0.5)	3986 (0.1)	0.4	0.001	0.2 to 0.7
Frequency	4349 (0.2)	4146 (0.2)	0.0	0.90	−0.2 to 0.2
Dispense amount	4349 (0.0)	4146 (0.2)	−0.2	0.004	−0.3 to −0.1
Any error	4349 (32.9)	4146 (3.5)	29.4	<0.001	27.9 to 30.9