A cohort study of 4,190 patients treated with low-intensity pulsed ultrasound (LIPUS): findings in the elderly versus all patients

Table 4 Summary of heal rate by bone

	Overall		Heal			Elderly		Heal
Comorbidity	Healed	Failed	Rate	Lower CI	Upper CI	Healed	Failed	Rate
All fractures	4,032	158	96.2%	95.7%	96.8%	780	38	95.4%
All closed fractures	3,212	108	96.7%	96.1%	97.4%	650	27	96.0%
All open fractures	147	9	94.2%	90.6%	97.9%	24	0	100.0%
Tibia	939	42	95.7%	94.5%	97.0%	170	9	95.0%
Tibia/Fibula	705	33	95.5%	94.0%	97.0%	140	7	95.2%
Femur	412	19	95.6%	93.7%	97.5%	136	4	97.1%
Metatarsal	423	7	98.4%	97.2%	99.6%	40	0	100.0%
Radius	337	2	99.4%	98.6%	100.0%	94	1	98.9%
Humerus	207	19	91.6%	88.0%	95.2%	60	11	84.5%
Scaphoid	203	6	97.1%	94.9%	99.4%	11	0	100.0%
Clavicle	120	7	94.5%	90.5%	98.5%	7	1	87.5%
Ankle	122	3	97.6%	94.9%	100.0%	31	2	93.9%
Radius/Ulna	144	7	95.4%	92.0%	98.7%	36	0	100.0%
Fibula	96	2	98.0%	95.2%	100.0%	7	0	100.0%
Ulna	84	2	97.7%	94.5%	100.0%	14	0	100.0%
Metacarpal	42	2	95.5%	89.3%	100.0%	4	0	100.0%

Every bone represented in the database by more than 50 fractures is tabulated. Column totals do not always add up because some information is missing; for example, some fractures were not defined as either open or closed. The total of all bones is larger than the total count of patients because some patients broke multiple bones. The heal rate (HR) in humerus is significantly lower than the overall HR because the confidence interval (CI) for humerus does not overlap the CI for “All fractures.” Bolded HR numbers are above the CI associated with “All fractures.” Italic HR numbers are below the CI associated with “All fractures.” In the “Elderly” group, bolded HR numbers are above the CI for the corresponding fracture in the whole cohort, while italic HR numbers are below the CI for the corresponding fracture in the whole cohort. Elderly HR is comparable to the HR of the overall sample.

ISSN: 1471-2474