Comparison 6. Below‐knee PTFE versus all other graft materials.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Primary patency at 6 months	4	319	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.12 [0.67, 1.87]
1.1 PTFE v ringed PTFE	1	44	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.47 [0.32, 6.71]
1.2 PTFE v PTFE with vein cuff	2	247	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.00 [0.56, 1.78]
1.3 PTFE v FUSION BIOLINE	1	28	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.96 [0.39, 9.83]
2 Primary patency at 12 months	4	305	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.96 [0.60, 1.55]
2.1 PTFE v Dacron	1	45	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.47 [0.12, 1.79]
2.2 PTFE v PTFE with vein cuff	2	224	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.02 [0.59, 1.76]
2.3 PTFE v ringed PTFE	1	36	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.48 [0.35, 6.24]
3 Primary patency at 24 months	4	250	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.94 [0.56, 1.57]
3.1 PTFE v Dacron	1	40	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.41 [0.12, 1.42]
3.2 PTFE v PTFE with vein cuff	2	182	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.08 [0.58, 2.01]
3.3 PTFE v ringed PTFE	1	28	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.32 [0.31, 5.67]
4 Primary patency at 36 months	1		Peto Odds Ratio (Peto, Fixed, 95% CI)	Totals not selected
4.1 PTFE v PTFE with vein cuff	1		Peto Odds Ratio (Peto, Fixed, 95% CI)	0.0 [0.0, 0.0]
5 Secondary patency at 3 months	1		Peto Odds Ratio (Peto, Fixed, 95% CI)	Totals not selected
5.1 PTFE v HUV	1		Peto Odds Ratio (Peto, Fixed, 95% CI)	0.0 [0.0, 0.0]
6 Secondary patency at 6 months	2	242	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.21 [0.69, 2.13]
6.1 PTFE v HUV	1	71	Peto Odds Ratio (Peto, Fixed, 95% CI)	3.01 [1.12, 8.07]
6.2 PTFE v PTFE with vein cuff	1	171	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.79 [0.40, 1.56]
7 Secondary patency at 12 months	3	325	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.48 [0.94, 2.34]
7.1 PTFE v HUV	1	101	Peto Odds Ratio (Peto, Fixed, 95% CI)	2.46 [1.10, 5.49]
7.2 PTFE v PTFE with vein cuff	2	224	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.16 [0.66, 2.03]
8 Secondary patency at 24 months	3	269	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.72 [1.05, 2.80]
8.1 PTFE v HUV	1	88	Peto Odds Ratio (Peto, Fixed, 95% CI)	3.40 [1.45, 7.97]
8.2 PTFE v PTFE with vein cuff	2	181	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.22 [0.67, 2.23]
9 Secondary patency at 36 months	1		Peto Odds Ratio (Peto, Fixed, 95% CI)	Totals not selected
9.1 PTFE v PTFE with vein cuff	1		Peto Odds Ratio (Peto, Fixed, 95% CI)	0.0 [0.0, 0.0]
10 Limb salvage at 12 months	2	225	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.35 [0.72, 2.55]
10.1 PTFE v PTFE with vein cuff	2	225	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.35 [0.72, 2.55]
11 Limb salvage at 24 months	2	196	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.34 [0.72, 2.49]
11.1 PTFE v PTFE with vein cuff	2	196	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.34 [0.72, 2.49]