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. 2018 Dec 24;115(51-52):855–862. doi: 10.3238/arztebl.2018.0855

eTable 2a. Characteristics and functional outcomes of studies included in review that found better function following surgery than following conservative treatment.

First
author, year
(reference)
(design)
n
(surgery/
conservative
treatment)
Time to
surgery
(months)
Age
(years)
Follow-up
(months)
Anteroposterior
stability (side-to-side
difference [mm])
(surgery/conservative
treatment)
Clinical stability,
pivot shift,
Lachman
(surgery/
conservative
treatment)
(clinical [%])
Crossover
rate (%)
Lysholm
(surgery/
conservative
treatment)
Tegner
(surgery/
conservative
treatment)
IKDC
(surgery/
conservative
treatment)
KOOS
(surgery/
conservative
treatment)
Single-leg
hop test
(surgery/conservative
treatment)
RTS/RTPL
(surgery/conservative
treatment)
(%)
Seitz 1994
(4)
(RCS)
63 / 24 4.4
(0.5–12)
Surgery:
27
(15– 42)
Conservative:
28 (18 to 56)
102
(60 to 144)
<3 mm category:
86% / 8%
8 / 83 (pivot) 100 to 91 points:
49 / 12
90 to 84 points:
14 /  – 83 to 65 points:
–  / 6 64 to 0 points: – / 6
Tegner
equal:
67% / 25%
67 / 25
Wittenberg
1998 (7)
(RCS)
30 / 30 35 34.3
(22 to 50)
39 (24 to 36) 2 / 4*1 19 / 75 (pivot)
24 / 81 (Lachman)
86 / 72*1 7 to 10*1:
12 / 6
4 to 6:
15 / 19
1 to 3:
3 / 5
Fink 2001
(29)
(RCS)
72 / 41 3.3
(± 2.7)
33.0
(± 9.0)
Surgery:
132.1 (± 8.1)
Conservative:
140.0 (± 9.6)
2.0 (± 1.5) /
4.0 (± 2.0)*1
4.8 (2 / 41) 96 / 83*1 Normal*1:
0% / 0%
Almost normal:
44% / 4%
Abnormal:
52% / 52%
Very abnormal:
4% / 44%
56 / 30*1
Fithian 2005
(22)
(PCS)
63 (early)/
33 (delayed) /
113 (conservative)
<3 39.0
(16 to 69)
 79 High risk:
1.6 (± 1.6)/ 3.3 (± 1.5)
Moderate risk:
1.7 (± 2.0)/ 3.1 (± 2.0)
Low risk:
2.0 (± 2.0) / 2.3 (± 1.8)* 1
Surgery:
significantly better
pivot
22.6
(33 / 146)
92 (± 10) / 88
(± 14)*1. 2
6.0 / 3.0*1, 2 Normal*1, 2:
33% / 10%
Almost normal:
50% / 23%
Abnormal:
16% / 66%
Very abnormal:
1% / 2%
Kessler 2008
(27)
(RCS)
60 / 49 Not stated 30.7
(12.5 to
54.0)
132 3.9 (0 to 12) /
5.7 (0 to 16)*1
18
(12 / 68)*3
5.3 (2 to 10) /
4.9 (2 to 10)
Normal*1:
53% / 14%
Almost normal:
18% / 41%
Abnormal:
20% / 31%
Very abnormal:
8% / 14%
Tsoukas 2016
(21)
(RCT)
17 / 15 1.5 Surgery: 31
(20 to 36)
Conservative: 33
(25 to 39)
123 1.5 (± 0.2) /
4.5 (± 0.5)*1
0 7 (5 to 7)/
5 (3 to 7)
86.8 (±  6.5)/
77.5 (± 13)*1

IKDC: International Knee Documentation Committee; KOOS: Knee Injury and Osteoarthritis Outcome Score; PCS: prospective cohort study; RCT: randomized controlled trial; RCS: retrospective cohort study; RTS: rate of return to sport; RTPL: rate of return to preinjury level;

*1 p<0.05; *2 coper. *3 excluded before analysis