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. 2021 Mar 2;9(3):2325967120973284. doi: 10.1177/2325967120973284

TABLE 1.

Characteristics of the Included Studiesa

Sample Size
Lead Author (Year) PRP Control PRP Type Spinning Approach Activator No. of Injections Control Group Outcome Measure Follow-up, mo
Cerza (2012)5 60 60 LP Single NR 4 HA WOMAC Pain subscale 6
Sánchez (2012)38 89 87 LP Single CaCl2 3 HA WOMAC Pain and Function subscales, adverse events 6
Patel (2013)32 27 23 LP Single CaCl2 1 Saline VAS 6
Vaquerizo (2013)44 48 48 LP Single CaCl2 3 HA WOMAC Pain and Function subscales, adverse events 6, 12
Raeissadat (2015)34 77 62 LR Double No 3 HA WOMAC Pain and Function subscales 12
Forogh (2016)14 24 24 LR Double CaCl2 1 CS VAS 6
Lana (2016)24 36 36 LR Double Thrombin 3 HA WOMAC Pain and Function subscales, VAS, adverse events 6, 12
Smith (2016)40 15 15 LP Single NR 3 Saline WOMAC Pain and Function subscales, adverse events 6, 12
Cole (2017)7 49 50 LP Single NR 3 HA WOMAC Pain subscale 6,12
Duymus (2017)11 33 34 LR Single No 2 HA WOMAC Pain and Function subscales, VAS 6, 12
Joshi Jubert (2017)20 35 30 LP Double No 1 CS VAS, adverse events 6
Raeissadat (2017)35 36 33 LR Double CaCl2 2 HA WOMAC Pain and Function subscales, VAS 6
Ahmad (2018)1 45 44 LR Single NR 3 HA VAS, adverse events 6
Buendía-López (2018)4 33 32 LP Double CaCl2 1 HA WOMAC Pain and Physical Function subscales, VAS, adverse events 6, 12
Uslu Guvendi (2018)43 19 17 LR Single NR 3 CS WOMAC Pain and Function subscales 6
Louis (2018)26 24 24 LR Double CaCl2 1 HA WOMAC Pain and Function subscales, VAS, adverse events 6
Nabi (2018)31 33 34 LR Double NR 3 CS VAS, adverse events 6
Su (2018)42 25 30 LR Double CaCl2 2 HA WOMAC Pain and Function subscales, VAS, adverse events 6, 12, 18
Wu (2018)45 20 20 LR Single NR 1 Saline WOMAC Pain and Function subscales, adverse events 6
Yu (2018)48 104 88 LR NR NR 1 HA WOMAC Pain and Function subscales, adverse events 12
Huang (2019)17 40 40 (HA); 40 (CS) LP Single No 3 HA; CS VAS, adverse events 12

aCS, corticosteroid; HA, hyaluronic acid; LP, leukocyte poor; LR, leucocyte rich; NR, not reported; PRP, platelet-rich plasma; VAS, visual analog scale; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.