. 2021 May 24;27:10760296211012094. doi: 10.1177/10760296211012094

Table 1.

sTF/FIX Assays Between PRP and PPP.^a

		Pre	Day 1b	Day 1a	Day 4	Day 8	Day 15
2nd Derivative Peak Time (sec)	PRP	51.8 (48.3-56.1)	56.1 (49.9-60.6)	76.9 (67.3-83.2)^b	73.6 (68.6-84.0)^b	77.5 (65.2-90.2)^b	63.9 (57.7-69.7)^b
	P	<0.01	NS	<0.01	<0.01	<0.01	<0.01
	PPP	58.6 (50.8-66.3)	58.7 (49.3-67.4)	88.5 (72.8-103.6)^b	89.3 (78.4-100.1)^b	95.5 (77.2-107.6)^b	73.4 (62.3-83.0)^b
2nd Derivative Peak Height (mm Absorbance)	PRP	114 (90.9-152)	135 (104-176)	104 (79.9-131)	163 (111-211)^b	133 (94.2-161)	148 (99.8-184)
	P	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
	PPP	44.0 (34.0-62.4)	58.2 (48.4-77.8)^c	35.9 (26.7-43.7)^c	49.4 (36.6-67.6)	114 (94.9-167)	107 (96.8-145)
1st Derivative Peak Time (sec)	PRP	62.9 (58.7-68.6)	65.4 (60.6-73.8)	88.2 (77.8-96.3)^b	87.0 (81.5-107)^b	94.1 (78.5-103)^b	77.9 (69.6-84.3)^b
	P	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
	PPP	81.7 (72.7-92.5)	81.1 (70.4-91.1)	124 (104-138)^b	125 (111-143)^b	127 (104-144)^b	102 (91.1-112)^b
1st Derivative Peak Height (mm Absorbance)	PRP	143 (115-172)	185 (144-203)^c	185 (158-228)^b	309 (256-367)^b	241 (200-283)^b	196 (164-225)^b
	P	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
	PPP	84.4 (68.7-100)	113 (99.3-127)^b	107 (90.2-115)^b	154 (118-198)^b	121 (100-143)^b	118 (102-130)^b
Fibrin Formation Time (sec)	PRP	61.3 (58.3-68.6)	66.1 (60.6-74.5)^d	89.3 (78.6-96.0)^b	88.0 (82.1-102)^b	91.9 (78.7-99.2)^b	77.1 (68.5-82.4)^b
	P	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
	PPP	87.1 (76.1-96.1)	85.8 (75.7-95.3)	131 (112-146)^b	136 (117-154)^b	135 (112-153)^b	109 (96.2-116)^b
Fibrin Formation Height (mm Absorbance)	PRP	339 (300-378)	345 (297-369)	418 (376-462)^b	675 (608-739)^b	578 (502-636)^b	501 (451-580)^b
	P	<0.001	<0.05	NS	NS	NS	<0.001
	PPP	250 (225-296)	312 (264-345)^b	411 (381-480)^b	665 (620-722)^b	552 (473-613)^b	407 (343-494)^b

Abbreviations: sTF/FIX, small tissue factor induced FIX activation; PRP, platelet-rich plasma; PPP, platelet-poor plasma; NS, not significant.

^a P values indicate the difference between PRP and PPP.

^b P < 0.001 in comparison with “pre.”

^c P < 0.01 in comparison with “pre.”

^d P < 0.05 in comparison with “pre.”