Table 2.

Noma stage and malnutrition prevalence (overall and by age group)

	Total (n=7122)*			0–5 year olds n=4239 *			6–15 year olds n=2841 *
	n (%)	CI	DEFF	n (%)	CI	DEFF	n (%)	CI	DEFF	P value (age comparison)
Any noma	194 (3.3%)	2.7 to 4.0	1.9	63 (1.5%)	1.1 to 2.0	1.3	129 (4.4%)	3.6 to 5.4	1.6	<0.001
Noma stages
None	6928 (96.6%)	95.9 to 97.2	1.9	4176 (98.5%)	98.0 to 98.9	1.3	2712 (95.6%)	94.6 to 96.4	1.6	<0.001
Stage 0: Simple gingivitis	181 (3.1%)	2.6 to 3.8	1.8	56 (1.3%)	1.0 to 1.8	1.3	123 (4.2%)	3.4 to 5.2	1.5
Stage 1: Acute necrotising gingivitis	10 (0.1%)	0.1 to 0.3	1.2	6 (0.1%)	0.07 to 0.3	1	4 (0.1%)	0.04 to 0.4	1.5
Stage 2: Oedema	3 (0.05%)	0.02 to 0.2	1	1 (0.02%)	0.0 to 0.2	1	2 (0.1%)	0.02 to 0.3	1
Stage 3: Gangrene	0 (0%)	NA	NA	0 (0%)	NA	NA	0 (0%)	NA	NA
Stage 4: Scarring	0 (0%)	NA	NA	0 (0%)	NA	NA	0 (0%)	NA	NA
Stage 5: Sequela	0 (0%)	NA	NA	0 (0%)	NA	NA	0 (0%)	NA	NA
Malnutrition				6 month–5 year olds (n=3993)
Moderate acute malnutrition	NA	NA	NA	309 (7.7%)	6.7% to 8.7%	1.5
Severe acute malnutrition	NA	NA	NA	149 (3.7%)	3.2% to 4.4%	1

P value comparing age groups.

*44 missing age category

DEFF, design effect.