First quadrant

(resistance index > 0; recovery index > 1)

Second quadrant

(resistance index < 0; recovery index > 1)

Lazio-Trentino Alto Adige-Valle d’Aosta-Veneto-Lombardia

Sardegna-Umbria-Emilia Romagna

Third quadrant

(resistance index < 0; recovery index < 1)

Forth quadrante

(resistance index > 0; recovery index < 1)

Piemonte-Sicilia-Calabria-Basilicata-Campania-Marche-Toscana-Liguria-Friuli Venezia Giulia

Abruzzo-Molise-Puglia