Model selection for component network meta-analysis in connected and disconnected networks: a simulation study

Table 4 Selected CNMA models in 1000 simulations of disconnected networks

Scenario	Additive CNMA	CNMA with one 2-way interaction			CNMA with two 2-way interactions
Scenario	Additive CNMA	\(A\!*\!B\)	\(A\!*\!C\)	\(C\!*\!D\)	\(A\!\!B\)+\(C\!\!D\)	\(A\!\!B\)+\(A\!\!C\)	\(A\!\!C\)+\(C\!\!D\)
No heterogeneity (\(\tau ^2=0.00\))
A	834	52	55	57	1	0	1
B1	698	121	120	57	1^a	1^a	2
B2	693	79	93	131	1^a	3	0^a
C1	511	227	158	98	2^a	2^a	2
C2	469	107	179	237	2^a	2	4^a
Low heterogeneity (\(\tau ^2=0.01\))
A	809	51	72	68	0	0	0
B1	704	120	94	79	1^a	1^a	1
B2	677	83	99	138	1^a	1	1^a
C1	515	216	151	111	6^a	0^a	1
C2	480	101	150	263	1^a	0	5^a
Moderate heterogeneity (\(\tau ^2=0.10\))
A	664	116	110	103	3	2	2
B1	598	148	131	115	5^a	1^a	2
B2	583	137	119	152	2^a	4	3^a
C1	462	220	171	137	6^a	3^a	1
C2	485	130	154	216	8^a	4	3^a

The correctly chosen model is printed in bold
^a The chosen combination of two 2-way interactions includes the correct interaction

ISSN: 1471-2288