Comparison of Hay’s Criteria with Nugent’s Scoring System for Diagnosis of Bacterial Vaginosis

Table 2

Comparison of Hay’s classification system with Nugent’s scoring system for diagnosis of BV in study subjects (𝑛=213).

Hay’s grading	Nugent’s score
	Normal; (0–3)	Intermediate; (4–6)	Positive; (≥7)	Total; number (%)
I	100	3*	0	103 (48.4)
II	7**	16	0	23 (10.8)
III	0	17***	70	87 (40.8)
Total; number (%)	107 (50.2)	36 (16.9)	70 (32.9)	213

∗Two had Nugent’s score of 4, and 1 had Nugent’s score of 5.
**All 7 had Nugent’s score of 3.
***Nine had Nugent’s score of 6, four had Nugent’s score of 5, and four had Nugent’s score of 4.