1Juventus's home defensive record (3 clean sheets in 4 games, 4 goals conceded) versus Napoli's away defensive record (5 goals conceded in 4 games).
2Napoli's ability to score away (5 goals in 4 games) compared to Juventus's home scoring efficiency (5 goals in 4 games).
3Current form trends: Juventus's stronger recent record (WWDLWDL) versus Napoli's more erratic performance (WLLWDWL).
4The impact of key players' form and tactical adjustments by both managers, though not quantified in the provided statistics.
5The likelihood of either team failing to score, as both have experienced such instances (Juventus 1 time, Napoli 1 time) in their respective home/away campaigns.