Table 3.

Preoperative, postoperative and change in erectile function with incision and grafting procedures, where recorded

Type of graft	Lead author	Year	Preoperative				Postoperative						Change	P value
			IIEF score (SD; range)	Erectile status, % (n/N)			IIEF score (SD; range)	Erectile status, % (n/N)			ED change, % (n/N)
				Unaided	Aided	ED present		Unaided	Aided	Absent	Worsened	Improved
Xenograft	Sayedahmed19	2017	16 (±3.5; NM)	NM	NM	NM	20 (±4.2; NM)	67.4 (29/43)	20.9 (9/43)	11.6 (5/43)	7.0 (3/43)	69.8 (30/43)	↑	<.001
	Cosentino20	2016	–	86.7 (39/44)	NM	11.4 (5/44)	–	95.5 (42/44)	4.6 (2/44)	0.0 (0/44)	4.6 (2/44)	NM	↑	–
	Knoll21	2007	–	NM	NM	0.0 (0/162)	–	80.3 (130/162)	15.4 (25/162)	4.3 (7/162)	NM	NM	↓	–
	Sansalone22	2011	16 (NM; 15–21)†	NM	NM	NM	22.5 (NM; NM)	66.9 (105/157)	33.1 (52/157)	0.0 (0/157)	NM	NM	↑	NM
Allograft	Sampaio23	2002	–	NM	NM	NM	–	NM	NM	NM	15.0 (6/40)	NM	↓	–
Autograft	Kadioglu24	2018	–	NM	NM	25.7 (37/144)	–	66.7 (96/144)	21.5 (31/144)	11.8 (17/144)	NM	NM	↓	–
	Kalsi25	2005	–	60.2 (68/113)	39.8 (45/113)	NM	–	65.5 (74/113)	11.6 (13/113)	2.7 (3/113)	9.7 (11/113)	3.5 (4/113)	↓	–
	Montorsi26	2000	–	NM	NM	0.0 (0/50)	–	NM	NM	NM	6.0 (3/50)	0.0 (0/50)	↓	–
	Akkus27	2001	–	NM	NM	0.0 (0/58)	–	NM	NM	0.0 (0/58)	6.9 (4/58)	0.0 (0/58)	↓	–
	El Sakka13	1998	–	NM	NM	34.8 (39/112)	–	NM	NM	NM	24.1 (27/112)	7.1 (8/112)	↓	–
Multiple	Flores15	2011	23 (±4; NM)	35.7 (20/56)	64.3 (36/56)	NM	17 (±9; NM)	NM	NM	NM	NM	NM	↓	<.01
	Chung28	2011	15.1 (NM; 6–20)	NM	14.0 (12/86)	NM	10.8 (NM; 2–15)	NM	67.4 (31/46)	NM	NM	NM	↓	<.01∗
Range	–	–	15.1–23	35.7–86.7	14.0–64.3	0.0–34.8	10.8–22.5	65.5–95.5	4.6–67.4	0.0–11.8	4.6–24.1	0–69.8	–	–

Erectile status absent constitutes erectile function insufficient for sexual intercourse; ↑ indicates overall improvement; ↓, overall worsening.

^∗For the penile rigidity domain, sexual desire and intercourse unchanged (P > .05).

^†Only 89 patients completed the IIEF.