. 2023 Jul 25;19:31. doi: 10.1186/s13005-023-00377-y

Table 3.

Analysis of 45 patients’ clinical characteristics

Clinical characteristics
	H-B grade I and II recovery/H-B grade III recovery	P = 0.026
Decompression within 2 months	14/0
Decompression over 2 months	4/3
Decompression over 2 months	H-B grade III recovery/H-B grade IV and V recovery	P = 0.041
Graft within 6 months	10/3
Graft over 6 months	1/5
Graft over 6 months	H-B grade III recovery/H-B grade IV and V recovery	P = 0.575
Anastomosis within 6 months	5/0
Graft within 6 months	11/2
Graft within 6 months	Exploration before revision surgery^a (yes/no)	P = 0.001
H-B grade I or II recovery of decompression, H-B grade III recovery of graft	0/31
H-B grade III recovery of decompression, H-B grade IV or V recovery of graft	4/5

^aExploration before revision surgery: One patient received decompression and three patients received graft before transferred