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. 2020 Jan 27;8(1):2325967119897909. doi: 10.1177/2325967119897909

Table 2.

Sensitivity Analysis of Temporal Trends in Efficacy Outcomes With Hyaluronic Acid Injection vs Oral Nonsteroidal Anti-Inflammatory Drugsa

Follow-Up Knee Pain Knee Function
4-5 wk SMD = 0.00, P = .99 (3 studies) SMD = 0.13, P = .33 (2 studies)
12 wk SMD = –0.03, P = .78 (3 studies) SMD = 0.01, P = .97 (2 studies)
26 wk SMD = 0.17, P = .07 (3 studies) SMD = 0.49, P < .01 (2 studies)
Final (≥4 wk)b SMD = 0.15, P = .04 (6 studies) SMD = 0.23, P = .01 (5 studies)
Final (≥12 wk)c SMD = 0.17, P = .05 (4 studies) SMD = 0.36, P = .01 (3 studies)

aSMD, standardized mean difference.

bFinal follow-up interval in each study between 4 and 26 wk used for analysis.

cFinal follow-up interval in each study between 12 and 26 wk used for analysis.