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Table 2 Comparison of blood loss between K-line (+) group and K-line (-) group

From: Influence of K-line on intraoperative and hidden blood loss in patients with ossification of the posterior longitudinal ligament when undergoing unilateral open-door laminoplasty

 

K-line (+) group

K-line (-) group

P value

Intraoperative blood loss (ml)

205.5 ± 98.3

286 ± 110.5

0.003

Postoperative drainage (ml)

160.8 ± 70.5

187:6 ± 88.3

0.189

Hidden blood loss (ml)

265.6 ± 103.8

295.5 ± 112.6

0.072

Postoperative Hb (g/L)

11.1 ± 1.5

10.5 ± 0.8

0.770

Postoperative HCT (%)

32.5 ± 3.8

31.8 ± 3.9

0.598

Surgical time (min)

95.5 ± 20.8

108.3 ± 30.5

0.075