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. 2022 Apr 2;23:313. doi: 10.1186/s12891-022-05236-6

Table 3.

Visual analogue scores (VAS) for pain

Author, Year Study Group Average Preoperative Score ± SD Average Postoperative Score ± SD P Value
Preoperative vs. Postoperative
Gormeli et al., 2015 [41]

MF/HA

MF/PRP

MF

7.8 ± 0.9

8.0 ± 0.7

7.7 ± 0.7

3.3 ± 1.0

2.4 ± 0.9

4.5 ± 0.9

<.005

<.005

<.005

Shang et al., 2016 [42]

MF/HA

MF

6.1 ± 0.7

6.2 ± 0.8

2.1 ± 1.3

3.1 ± 1.6

<.001

<.001

Abbreviations: SD Standard deviation, MF Microfracture surgery, HA Hyaluronic acid, PRP Plate-rich plasma