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. 2021 Feb 12;100(6):e24636. doi: 10.1097/MD.0000000000024636

Table 2.

Comparison of intraoperative blood loss, operation time, number of fluoroscopy, and number of nails in the 2 groups.

Groups Intraoperative blood loss (mL) Operation time (min) Number of perspectives (times) Number of nails (n) Nail placement accuracy (%)
Observation group 599.33 ± 83.37 137.67 ± 9.39 4.67 ± 1.03 175 98.86
Control group 674.6 ± 83.61 170.00 ± 20.48 9.38 ± 1.76 177 93.22
χ2/t value −3.292 −7.706 −12.258 6.134
P-value .002 .000 .000 .047