Quality of primary total knee arthroplasty operative reports in a tertiary teaching hospital

Table 3 Operative report operative maneuver variable divisions

Mandatory variables	n (%)	Optional variables	n (%)
Exposure
Skin incision	53 (91.4)	Release of LPFL	1 (1.7)
Arthrotomy description	57 (98.3)	Excision of synovium	29 (50.0)
		Excision of fat pad	38 (65.5)
		Patella flipped or slid	47 (81.0)
Median (range)	2.0 (0.0-2.0)	Median (range)	2.0 (0.0-3.0)
Bone cuts and sizing
Sequence of bone cuts	57 (98.3)	Box cutting	22 (37.9)
Degrees of distal femur cut	32 (55.2)
Referencing of distal femur cut	34 (58.6)
Thickness of distal femur cut	3 (5.2)
Degrees of proximal tibia cut	37 (63.8)
Thickness of proximal tibia cut	4 (6.9)
Referencing of proximal tibia cut	34 (58.6)
Femoral sizing	41 (70.7)
Median (range)	5.5 (0.0-8.0)
Position and balancing
Referencing of femoral rotation	32 (55.2)
Referencing of tibial rotation	0 (0)
Extension gap balance in mm	21 (36.2)
Flexion gap balance in mm	17 (29.3)
Description of releases	16 (27.6)
Trial balance finding	56 (96.6)
Trial knee extension degrees	1 (1.7)
Trial knee flexion degrees	4 (6.9)
Median (range)	2.0 (0.0-6.0)
Patella
Patellar tracking	19 (32.8)	Patellar facetectomy	7 (12.1)
Patellar resurfacing performed	0 (0)	Patellar denervation	6 (10.3)
Median (range)	0.0 (0.0-1.0)	Median (range)	0.0 (0.0-2.0)
Closure
Arthrotomy closure	29 (50.0)	Cementing technique	54 (93.1)
Skin closure	53 (91.4)	TXA injection	9 (15.5)
Haemostasias	10 (17.2)	Capsule infiltration	8 (13.8)
Intraoperative complications	7 (12.1)	Use of vancomycin powder	15 (25.9)
		Intraoperative transfusion	0 (0)
		Drain	0 (0)
		Type of dressing	0 (0)
Median (range)	7.0 (1.0-10.0)	Median (range)	2.0 (1.0-5.0)

LPFL: Lateral patellofemoral ligament; TXA: Tranexamic acid.