Biological Amnion Prevents Flexor Tendon Adhesion in Zone II: A Controlled, Multicentre Clinical Trial

Table 1

Summary of relevant demographic and clinical data.

Groups		Control	PDLLA	Amnion	Difference
		n=21	n=35	n=33	p-value
Mean age, years		42.2	40.9	43.2	0.675
Gender	Male	12	20	23	0.500
	Female	9	15	10
Hand, n	Right	12	25	19	0.408
	Left	9	10	14
Finger, n	2nd	11	15	18	0.991
	3rd	13	23	21
	4th	9	18	18
	5th	4	6	4
Flexor tendon	Superficial and deep	26	47	49	0.743
	Deep	10	15	13
Pulley, n	Unimpaired	35	49	43	0.619
	Impaired	7	13	7

n=number of patients; PDLLA: poly-DL-lactic acid.