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. 2021 Jun 26;3(4):e1177–e1187. doi: 10.1016/j.asmr.2021.01.028

Table 4.

Ultrasound Versus Blind Injection Comparison

Midmedial Portal Midpatellar Portal Suprapatellar Bursa Supralateral Superolateral Midlateral Unspecified
Park et al., 201314 95% (38/40) 100% (40/40) 98.5% (39/40)
Im et al., 200915 95.6% (43/45) 77.3% (34/44)
Jang et al., 201316 97% (43/44) 78% (32/41)
Park et al., 201217 96% (48/50) 83.7% (41/49)
Wiler et al., 201118 95% (37/39) 93% (25/27)
Sibbitt et al., 201119 100% (42/42) 82% (18/22)
Hashemi et al., 201620 Expert: 98% (49/50) Inexpert: 94% (47/50) Expert: 95.74% (45/47)
Inexpert: 79% (60/76)
Cunnington et al., 201021 91% (32/35) 82% (27/33)

NOTE. Ultrasound-guided is bolded on the left, blind injection is on the right.