Table 4 Follow up spinal magnetic resonance studies from six months after start of treatment months onwards.

Number	Six months	Nine months	Twelve + months
1			No evidence of infection
3			No evidence of infection
6	Persistent L4/5 discitis
7	No evidence of infection
9			Persistent T11/12 discitis
15		No evidence of infection
16		Persistent vertebral body abscess, T11, 12, L4–5
17		Persistent vertebral body oedematous change, T10–11 with persistent disc enhancement at T10/11.
18		No evidence of infection
20		Persistent vertebral body abscess, C1–2 and T3 with cord compression and T3 paraspinal abscess	Progression of C1–2 and T3 abscess, worsening cord compression

Abnormal results indicative of persistent disease activity are shown in bold type.