TABLE 2.

The mean duration of eating disorders among all those with an eating disorder and those recovered and 5-year recovery rates among all those with an eating disorder, those who received treatment, and those who remained untreated

Eating disorder diagnosis	Mean duration of eating disorder (years), full sample (SD, range)	Mean duration of eating disorder of those recovered (years), (SD, range)	5-year recovery rate, full sample (95% CI)	5-year recovery rate for those treated for an eating disorder (95% CI)	5-year recovery rate for those not treated for an eating disorder (95% CI)	p-value for difference in 5year recovery rates for treated vs. untreated, (log-rank)
Anorexia nervosa	4.6 (3.4, 0.5–13)	2.0 (1.4, 0.5–6)	41.5% (28.2–58.0%)	40.0% (23.2–62.8%)	43.2% (24.4–68.1%)	p = 0.99
Bulimia nervosa	4.2 (2.9, 0.5–9)	1.3 (0.6, 1–2)	23.1% (8.1–55.8%)	28.6% (8.0–74.2%)	16.7% (2.5–72.7%)	p = 0.52
Binge eating disorder (BED)	4.0 (2.4, 1–7)	2.0 (1.4, 1–3)	40.0% (11.8–87.4%)	0%	57.0% (18.1–97.1%)	p = 0.47
Other specified feeding or eating disorder (OSFED)	3.9 (2.6, 0.5–11)	3.0 (2.1, 0.5–7)	43.1% (26.7–64.2%)	53.3% (24.4–87.5%)	38.9% (20.8–64.7%)	p = 0.33
Unspecified feeding or eating disorder (UFED)	3.2 (2.5, 0.5–9)	3.3 (3.1, 0.5–9)	42.6% (27.4–61.8%)	0%	43.3% (28.0–62.7%)	p = 0.54
Any eating disorder	4.0 (2.9. 0.5–13)	2.6 (2.3, 0.5–9)	40.7% (32.3–50.0%)	41.1% (27.2–58.7%)	40.5% (30.5–52.3%)	p = 0.66

Note: Females and males were analysed together.

Abbreviations: CI, confidence interval; SD, standard deviation.