From: The effects of lumbar fusion and non-fusion surgery on the development of Modic changes
Groups | Preoperative volume (cm3) | Postoperative volume (cm3) | P | ||
---|---|---|---|---|---|
Preexisting MCs | Preexisting + new MCs | Preexisting MCs | Preexisting + new MCs | ||
Microdiscectomy | 5.1 ± 4.9 (n = 33) | 3.3 ± 4.6 (n = 69) | 8.0 ± 6.8 (n = 33) | 7.0 ± 6.5 (n = 69) | < 0.01 |
Microsequestrectomy | 5.4 ± 4.8 (n = 21) | 3.8 ± 4.7 (n = 44) | 8.7 ± 7.1 (n = 21) | 8.1 ± 7.4 (n = 44) | < 0.01 |
Microdecompression | 6.2 ± 6.1 (n = 32) | 4.4 ± 5.9 (n = 58) | 9.3 ± 6.4 (n = 32) | 7.7 ± 6.2 (n = 58) | < 0.01 |
Fusion (TLIF) | 8.7 ± 7.3 (n = 19) | 6.6 ± 7.3 (n = 32) | 7.4 ± 7.5 (n = 19) | 7.0 ± 7.4 (n = 32) | n.s |