Table 1.

Infected non union types (Jain et al.⁷ and non union classification as per Paley et al.⁸.

Infected non union grading		Number of patients (%)
A1-Quiescent infection with defect <4 cm		6 (27.3)
A2- Quiescent infection with defect >4 cm		4 (18.1)
B1- Actively discharging sinus with defect <4 cm		7 (31.8)
B2- Actively discharging sinus with defect >4 cm		5 (22.7)
Classification of non union of tibia (Paley et al.8)
Type A- Nonunions with bone loss of <1 cm
A1-Lax/mobile non-union		0
A2- Stiff/non-mobile	A2-1 With no deformity	0
	A2-2 With fixed deformity	0
Type B - Nonunions with bone loss of >1 cm
B1- Bony defect, no shortening		4 (18.2)
B2- Shortening, no bony defect		5 (22.7)
B3- Bony defect and shortening		13 (59.1)