Table 3.

Treatment Outcomes for Propionibacterium acnes Shoulder Prosthetic Joint Infection

Treatment	Total Treated No. (%)	Favorable Outcomea No. (%)
Type of treatment*
Antibiotic therapy only	7 (29)b	4 (67)
Antibiotic therapy + surgery	14 (58)	10 (71)
Surgical type*
1-stage exchange	4 (27)c	3 (75)
2-stage exchange	7 (47)	6 (86)
Rifampin therapy*
Yes	15 (71)d	11 (73)
No	5 (24)	3 (60)

^a Data are number (% of treated cases).

^b Data are number (% of all cases).

^c Data are number (% of surgical cases).

^d Data are number (% of cases receiving antibiotic therapy).

* P > .05.