. 2021 Jun 4;46(21):1461–1467. doi: 10.1097/BRS.0000000000004061

TABLE 2.

Operative Data

Variable		Value	P
Single versus two stage surgery	Single stage tethers	108 patients
Single versus two stage surgery	Staged lumbar then thoracic tethers	4 patients
Tether location	Thoracic	108
Tether location	Lumbar/ thoracolumbar	8
Vertebrae tethered	Thoracic tether	7.3 ± 0.7 (6 to 9)	<0.001
Vertebrae tethered	Lumbar tether	5.3 ± 0.5 (5 to 6)	<0.001
Operating time, min	Thoracic tether	232 ± 102 (110 to 585)	0.03
Operating time, min	Lumbar tether	295 ± 65 (163 to 387)	0.03
Blood loss, mL/kg	Thoracic tether	5.0 ± 3.3 (0.5 to 18.8)	0.61
Blood loss, mL/kg	Lumbar tether	5.1 ± 2.5 (1.3 to 9.4)	0.61
Length of stay, days	Single stage thoracic/lumbar	4.7 ± 1.4 (3 to 11)	0.001
Length of stay, days	Planned 2 stage	10.5 ± 4.0 (7 to 16)	0.001