Table VI.

Nondominant-cohort metrics

	Preoperative	Postoperative		P value
		3 mo	1 yr
IMU data metric
No. of elevation events/h	117 ± 61	103 ± 58	143 ± 57	.251
No. of elevation events/h > 90°	5 ± 4	7 ± 6	9 ± 11	.407
% of time spent at >90° of elevation	1.34 ± 1.89	0.75 ± 1.05	0.51 ± 0.55	.656
% of day spent performing low-intensity activity	68 ± 14	72 ± 13	56 ± 14	.224
% of day spent performing moderate-intensity activity	26 ± 9	22 ± 8	33 ± 8	.224
% of day spent performing high-intensity activity	6 ± 7	6 ± 7	10 ± 8	.300
Proportion of day at varying arm elevation angles, %
0°-20°	46 ± 15	59 ± 17	50 ± 20	.341
20°-40°	39 ± 14	32 ± 15	31 ± 7	.441
40°-60°	11 ± 8	6 ± 4	14 ± 14	.244
60°-80°	1 ± 1	1 ± 1	3 ± 4	.887
80°-100°	1 ± 1	1 ± 1	1 ± 1	.908
>100°	0.5 ± 1	1 ± 1.5	0.5 ± 0.5	.760
Proportion of elevation events at varying arm elevation angles, %
20°-40°	53 ± 9	52 ± 14	47 ± 20	.679
40°-60°	31 ± 6	28 ± 4	30 ± 8	.251
60°-80°	10 ± 4	11 ± 6	15 ± 9	.200
80°-100°	3 ± 1	4 ± 3	5 ± 4	.426
>100°	3 ± 2	5 ± 6	3 ± 4	.414

IMU, inertial measurement unit.

Data are presented as mean ± standard deviation.