Table 1

Results for resident 1 and resident 2 with augmented reality and fluoroscopy

Resident no.	Augmented reality							Fluoroscopy (control)

	Order of insertion	Within femoral head	Within femoral neck	Total time, min:s	TAD, mm	Mean error entry point, mm	Mean error tip, mm	Time total, min:s	TAD, mm	Total no. of radiographs	Time, s	Cumulative dosage, mGy
1	1	Yes	Yes	4:43	27.75	16.73	27.95	1:39	21.17	14	17.4	0.25

	2	No	Yes	7:29	−24.80	12.96	17.69	2:18	21.21	15	14.2	0.22

	3	No	Yes	5:22	−28.82	25.06	23.73	6:12	34.61	39	36.2	0.57

	4	Yes	Yes	5:16	12.39	11.53	11.06	4:20	18.5	32	33.1	0.47

	5	Yes	Yes	5:30	21.37	11.28	3.68	2:23	34.12	21	20.7	0.32

	6	Yes	Yes	4:20	22.10	4.09	8.00	2:17	22.25	17	16.3	0.27

	7	Yes	Yes	2:33	23.98	4.13	12.47	1:29	28.78	7	17.3	0.27

	8	Yes	No	2:30	50.72	13.28	7.79	3:10	17.43	23	28.0	0.42

	9	Yes	Yes	5:13	24.65	12.53	14.80	3:12	25.04	11	25.8	0.23

	10	Yes	No	4:05	16.64	20.37	8.61	1:28	19.69	11	26.0	0.23

	11	No	Yes	8:00	−14.70	9.88	10.13	3:01	11.09	24	29.0	0.44

	12	Yes	Yes	6:12	19.76	31.75	8.86	2:03	16.73	12	19.2	0.32

	13	Yes	Yes	5:30	24.52	3.88	6.03	5:07	17.32	27	49.2	0.75

	14	No	Yes	6:15	−18.11	18.34	12.97	1:34	12.19	15	19.3	0.30

	15	No	Yes	5:45	−11.15	19.31	6.37	2:15	14.89	12	19.4	0.31

Mean	—	—	—	5:15	22.76	14.34	12.01	2:50	21.00	18.6	24.4	0.36

2	1	No	No	7:46	−31.76	17.96	20.87	3:35	20.87	20	32.60	0.55

	2	Yes	Yes	3:17	11.88	24.15	4.65	1:07	4.65	16	17.60	0.28

	3	No	No	3:17	−57.70	3.42	11.60	2:17	11.60	28	28.90	0.43

	4	No	Yes	3:20	−26.76	7.58	15.58	1:30	15.58	17	23.50	0.40

	5	No	Yes	2:35	−8.94	21.25	1.44	1:16	1.44	11	11.60	0.18

	6	Yes	Yes	3:17	10.06	12.51	2.07	1:11	2.07	12	16.20	0.27

	7	No	Yes	3:57	−15.22	15.03	1.96	2:28	1.96	30	28.40	0.44

	8	No	Yes	6:31	−47.05	3.90	31.48	1:01	31.48	13	18.50	0.29

	9	No	No	2:37	−34.02	17.56	24.49	5:09	24.49	42	47.00	0.70

	10	No	Yes	2:29	−15.88	9.81	4.62	1:23	4.62	15	17.70	0.28

	11	No	Yes	3:23	−25.48	1.97	22.34	1:28	22.34	15	20.50	0.33

	12	Yes	Yes	2:46	20.94	16.93	18.32	1:02	18.32	11	15.20	0.26

	13	Yes	Yes	5:29	11.06	7.82	5.57	2:20	5.58	19	14.20	0.15

	14	Yes	Yes	4:51	29.08	11.82	7.55	2:32	7.56	20	32.40	0.54

	15	Yes	No	12:42	15.14	11.29	9.87	1:14	9.88	13	9.00	0.10

Mean	—	—	—	4:33	24.06	12.20	12.16	1:58	12.16	18.8	21.49	0.33

TAD = tip-to-apex distance.