Table 4. Error Summary Table.

Experiment 1			Experiment 2			Experiment 1 vs. Experiment 2 (Mann–Whitney)
							p -Values
	KBM	SR		KBM	SR		KBM	SR
Total errors observed	245	390	Total errors observed	112	201		0.6595
Non-typographical	32	138	Non-typographical	26	137	Non-typographical
Simple	9	75	Simple	3	84	Simple	0.814	0.897
Complex	23	63	Complex	23	53	Complex	0.921	0.226
Potential patient harm	32	138	Potential patient harm	26	137	Potential patient harm
Major	13	50	Major	9	43	Major
Simple	2	29	Simple	1	35	Simple	0.842	0.229
Complex	11	21	Complex	8	8	Complex	0.428	0.310
Moderate	3	21	Moderate	6	8	Moderate
Simple	0	13	Simple	1	7	Simple	N/A	0.664
Complex	3	8	Complex	5	1	Complex	0.828	0.152
Minor	16	67	Minor	11	86	Minor
Simple	7	33	Simple	1	42	Simple	0.677	0.916
Complex	9	34	Complex	10	44	Complex	1.000	0.245
Error type	32	158	Error type	26	139	Error type
Integration/System	2	92	Integration/System	1	98	Integration/System
Simple	0	56	Simple	0	53	Simple	N/A	0.530
Complex	2	36	Complex	1	45	Complex	0.842	0.224
Use errors	22	44	Use errors	24	36	Use errors
Simple	5	18	Simple	3	28	Simple	0.828	0.162
Complex	17	26	Complex	21	8	Complex	0.538	0.009
Comprehension	8	22	Comprehension	1	5	Comprehension
Simple	4	5	Simple	0	5	Simple	0.039 (Chi-Square)	1.000
Complex	4	17	Complex	1	0	Complex	0.538	0.000 (C-S)
Use error type	30	46	Use error type	25	41	Use error type
Omission	8	20	Omission	3	21	Omission
Simple	2	14	Simple	1	21	Simple	1.000	0.190
Complex	6	6	Complex	2	0	Complex	0.414	0.010 (C-S)
Commission	22	26	Commission	22	20	Commission
Simple	7	5	Simple	2	12	Simple	0.668	0.224
Complex	15	21	Complex	20	8	Complex	0.344	0.023
Typographical	213	252	Typographical	86	64	Typographical
Simple	142	133	Simple	57	40	Simple	0.000	0.000
Complex	71	119	Complex	29	24	Complex	0.000	0.000

Abbreviations: KBM, keyboard and mouse; SR, speech recognition.