Efficacy of intradiscal autologous platelet-rich plasma injection in chronic lumbar disc prolapse: A quasi-experimental study

Table 2 Difference of mean Visual Analogue Scale score at different time intervals between the platelet-rich plasma group and the physiotherapy group

Descriptive statistics	Group	Mean	SD
VAS baseline	PRP (n = 17)	8.171	0.6622
	Physiotherapy (n = 22)	5.355	1.5668
	Total (n = 39)	6.582	1.8822
VAS week-3	PRP (n = 17)	5.847	1.8101
	Physiotherapy (n = 22)	4.550	2.1456
	Total (n = 39)	5.115	2.0852
VAS week-6	PRP (n = 17)	5.224	1.9273
	Physiotherapy (n = 22)	4.323	1.9859
	Total (n = 39)	4.715	1.9870

VAS: Visual Analogue Scale; PRP: Platelet-rich plasma.