Skip to main content
. 2018 Oct 20;139(1):61–72. doi: 10.1007/s00402-018-3048-0

Table 4.

Periods defined in classification of FRI

Time frame Number of studies
N = 93
Chronic infection 12 (13%)
 > 6 weeks 3 (3%)
 > 12 weeks 3 (3%)
 > 4 months 2 (2%)
 > 6 months 4 (4%)
Infected non-union 12 (13%)
 > 3 months 1 (1%)
 > 4 months 1 (1%)
 > 6 months 9 (10%)
 > 12 months 1 (1%)
Multiple divisions 3 (3%)
 Acute < 2 weeks, Subacute 2–6 weeks, Chronic > 6 weeks 1 (1%)
 Acute < 30 days, Subacute 1–6 months, Chronic > 6 months 2 (2%)
No period of time mentioned 66 (71%)