Table 4.

Characteristics of each study (Indication for surgery)

Author	Indications for surgery and number of feet
	Severe hallux abducto valgus	End-stage hallux rigidus	Revision surgery	Rheumatoid arthritis	Total
Patel et al. [31]	8	44	-	2	54
aSinghal et al. [32]	Unknown	Unknown	Unknown	Unknown	Unknown
Mohammed & Gadgil [30]	9	7	3	4	23
Latif et al. [34]	-	31	-	7	38
Fazal et al. [33]	-	32	-	-	32
Marudanayagam & Appan [35]	8	38	-	8	54
Challagundla et al. [36]	6	41	8	-	55
Total	31	193	11	21	256a

^aSinghal et al. [32] did not provide their indications for surgery and is therefore excluded from the total count