The effect of posterior cruciate ligament tibial avulsion fracture on functional outcomes in knees with concomitant ipsilateral lower limb fractures: a matched-cohort analysis

Table 4 Comparison of the outcomes at the final follow-up between patients who underwent early-stage surgery and patients who underwent delayed treatment^a

	All patients in the two groups			Isolated group
	Early-stage surgery(n = 26)	Delayed surgery(n = 7)	p value	Early-stage surgery(n = 18)	Delayed surgery(n = 4)	p value	Early-stage surgery(n = 8)	Delayed surgery(n = 3)	p value
Lysholm score	91.4 ± 3.4	82.6 ± 5.4	0.000	92.9 ± 2.1	85.0 ± 3.5	0.000	88.1 ± 3.6	79.3 ± 6.4	0.016
IKDC score	89.7 ± 3.6	82.5 ± 11.6	0.151	90.5 ± 3.1	90.3 ± 3.0	0.915	88.0 ± 4.0	72.0 ± 10.1	0.003
Tegner Score	5.4 ± 0.7	3.9 ± 0.7	0.000	5.7 ± 0.5	4.0 ± 0.8	0.000	4.8 ± 0.7	3.7 ± 0.6	0.054
VAS	0.8 ± 0.8	1.7 ± 1.5	0.151	0.7 ± 0.8	0.75 ± 1.0	0.95	0.88 ± 0.8	3.0 ± 1.0	0.044
ROM (°)	128.5 ± 3.9	110.0 ± 30.3	0.158	128.1 ± 4.2	125.0 ± 10.8	0.614	129.4 ± 3.2	90.1 ± 30.1	0.223
Duration of surgery	30.3 ± 3.2	47.8 ± 4.5^b	0.000	29.7 ± 3.5	46.5 ± 3.7	0.000	31.5 ± 2.1	50.5 ± 6.4^b	0.140

IKDC International Knee Documentation Committee, ROM Range of motion, VAS: Visual Analogue Score
^aContinuous variables are expressed as the mean and the standard deviation. The variables a were tested using the independent‑samples Mann‑Whitney U test. Boldface indicates statistical significance
^bOne patient did not undergo delayed surgery for PCLTAF

ISSN: 1471-2474