|
Table 2: Comparison between clinical parameters referring to VAS and clinical scales in the preoperative, postoperative and 2-year follow-up periods. |
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|
|
Posterior approach |
Double approach |
p |
|
Preoperative clinical parameters |
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|
VAS (spine) |
7.62 (1-10) |
7.42 (1-10) |
0.782 |
|
VAS (leg) |
6.55 (1-10) |
6.28 (1-10) |
0.823 |
|
PSC |
19.41 (13.8-28.7) |
22.7 (17.8-31.3) |
0.063 |
|
SF-36 MCS |
40.56 (25.9-52.2) |
41.25 (30.1-50.9) |
0.810 |
|
RM |
13.47 (0-22) |
14.71 (8-20) |
0.585 |
|
ODI |
54.27 (18-82) |
49.71 (26-74) |
0.516 |
|
Postoperative clinical parameters |
|||
|
VAS (spine) |
2.34 (0-9) |
1 (0-3) |
0.118 |
|
VAS (leg) |
2.72 (0-7) |
2.28 (0-7) |
0.613 |
|
Clinical parameters two years after surgery |
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|
VAS (spine) |
3.37 (0-9) |
2.85 (0-6) |
0.591 |
|
VAS (leg) |
3.44 (0-8) |
2.71 (0-7) |
0.495 |
|
PSC |
31.08 (17.2-47.0) |
37.25 (26-52.3) |
0.120 |
|
SF-36 MCS |
45.13 (22.1-69.8) |
54.98 (42.5-65.4) |
0.050 |
|
RM |
9.75 (0-22) |
7.28 (0-14) |
0.585 |
|
ODI |
35.51 (2-82) |
21.85 (2-44) |
0.516 |
|
VAS = visual analogue scale. PSC = physical component summary. RM = Roland-Morris disability questionnaire. ODI = Oswestry disability scale. |
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