. 2019 Sep 16;53(6):502–506. doi: 10.1016/j.aott.2019.08.016

Table 2.

Intradiscal pressure values measured during 40 N load and comparison between groups. Group 1(I): Intact, Group 2: Supraspinous ligament interrupted, Group 3: Interspinous ligament and ligamentum flavum interrupted, Group 4: Facet joint capsule interrupted.

Groups	Thoracic segments			Lumbar segments
Groups	Mean Intradiscal Pressure (N/cm²)		Statistical Difference (p value)	Mean Intradiscal Pressure (N/cm²)		Statistical Difference (p value)
Group 1(I) – Group 2(SS)^a	6,29	9,89	p = 0.032^a	4,74	6,98	p = 0.029^a
Group 1(I) – Group 3(IS + LF)^a	6,29	10,79	p = 0.019^a	4,74	7,65	p = 0.021^a
Group 1(I) – Group 4(FJC)	6,29	6,60	p = 0.90	4,74	4,96	p = 1.000
Group 2(SS) – Group 3(IS + LF)	9,89	10,79	p = 1.000	6,98	7,65	p = 0.95
Group 2(SS) – Group 4(FJC)	9,89	6,60	p = 0.065	6,98	4,96	p = 0,081
Group 3(IS + LF) – Group 4(FJC)^a	10,79	6,60	p = 0.031^a	7,65	4,96	p = 0.04^a

Statistically significant.