Table 2. Patient Demographic Details and Fracture Characteristics.

Patient	Age (yr)	Medical history	ASA	Total knee replacement (primary/revision)	Fracture classification (Rorabeck and Taylor)	Comminution	Bone loss	Age of implant (yr)
Revision
1	63	Rheumatoid arthritis, HTN	3	Primary	III	No	No	17
2	77	Rheumatoid arthritis, DM, HTN, HLD, IHD, asthma, hypothyroidism, HBV infection, anaemia	3	Primary	II	Yes	No	3
3	80	Gout, HTN, CKD	3	Primary	II	No	Yes	15
4	72	HTN	2	Primary	III	No	Yes	3 wk
5	75	DM, HTN, HLD, IHD	3	Primary	II	No	Yes	18
6	86	HTN, IHD	2	Primary	III	No	No	7
7	84	HTN, IHD, anaemia	2	Primary	II	Yes	No	14
Mean ± SD	76.7 ± 7.78	-	2.57 ± 0.53	-	-	-	-	10.58 ± 7.17
Fixation
1	71	Rheumatoid arthritis, DM, HTN, HLD	3	Primary	II	Yes	No	4
2	74	DM, HTN, asthma	2	Primary	II	No	No	7
3	56	Rheumatoid arthritis, HTN, anaemia	2	Primary	II	Yes	No	6
4	78	HTN, asthma	3	Primary	II	Yes	No	15
5	77	HTN, HLD, CVA	3	Primary	II	Yes	No	5
6	62	-	2	Primary	II	Yes	No	4 mo
7	59	DM, HTN, HLD	2	Primary	II	Yes	No	6
8	66	Rheumatoid arthritis, HTN	2	Primary	II	Yes	No	10
Mean ± SD	67.9 ± 8.37	-	2.38 ± 0.52	-	-	-	-	6.67 ± 4.34
p-value	0.055	-	0.483	-	0.077	0.041	0.077	0.216

ASA: American Society of Anaesthesiology physical status score, HTN: hypertension, DM: diabetes mellitus, HLD: hyperlipidaemia, IHD: ischaemic heart disease, HBV: hepatitis B, CKD: chronic kidney disease, SD: standard deviation, CVA: cerebrovascular accident.