Posterior Transpedicular Dynamic Stabilization versus Total Disc Replacement in the Treatment of Lumbar Painful Degenerative Disc Disease: A Comparison of Clinical Results

Table 1

Comparison of TDR and PTDS groups.

		TDR (𝑛=25)	PTDS (𝑛=25)	𝑃
Age	Min–Max	25–50	24–55	0.018*
	Mean ± SD	37.32±6.62	43.08±9.65
Followup (month)	Min–Max	24–42	24–48	0.001**
	Mean ± SD	29.16±4.77	36.48±6.72
Length of hospital stay (day)	Min–Max	3–5	2–5	0.022*
	Mean ± SD	3.56±0.58	3.04±0.93
Operation time (minute)	Min–Max	120–260	40–70	0.001**
	Mean ± SD	181.20±39.40	52.40±7.79
Blood loss (mL.)	Min–Max	300–600	75–175	0.001**
	Mean ± SD	402.00±91.83	103.00±22.03

Student’s 𝑡-test, ^∗𝑃<0.05, ^∗∗𝑃<0.01.