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Table 2 The meta-analysis results of fracture healing time, surgery time, and duration of hospital stay

From: RETRACTED ARTICLE: Mini-plate versus Kirschner wire internal fixation for treatment of metacarpal and phalangeal fractures in Chinese Han population: a meta-analysis

Outcomes Northern China Southern China Total Heterogeneity
n SMD (95% CI) n SMD (95% CI) n SMD (95% CI) P I2(%)
Fracture healing time 7 −2.05 (−3.01, −1.08) 7 −0.57 (−0.95, −0.19) 14 −1.28 (−1.81, −0.76) <0.00001 94
Surgery time 3 5.83 (2.33, 9.34) 6 0.74 (0.43, 1.05) 9 1.57 (0.76, 2.37) <0.00001 96
Duration of hospital stay 2 2.15 (−2.26, 6.56) 6 −0.09 (−0.52, 0.35) 8 0.43 (−0.34, 1.20) <0.00001 95