Table 5. Co-occurrence of hubs .

Split-half case
density%	5	7.8	10	15	20	25	30	35	40	45	w
Hc	0.62	0.70	0.78	0.75	0.73	0.70	0.68	0.66	0.64	0.62	0.79
Between-independent groups
density%	5	7.8	10	15	20	25	30	35	40	45	w
Hc	0.43	0.32	0.52	0.31	0.31	0.30	0.41	0.30	0.34	0.40	0.43

Bold: Values which are significantly () different from the value obtained from null networks (see text). Italic: .