. Author manuscript; available in PMC: 2012 Feb 1.

Published in final edited form as: Pediatr Infect Dis J. 2011 Feb;30(2):95–99. doi: 10.1097/INF.0b013e3181f253d5

Table 3.

Comparison of OS score in AOM cases from this study with cases in previous studies

OS score	Current Study (n=294)	McCormick 2005^a (n=223)	Laine 2010^b (n=237)

2	5 (2)^c	0 (0)	0 (0)
3	12 (4)	6 (3)	0 (0)
4	68 (23)	72 (32)	49 (21)
5	105 (36)	87 (39)	81^d (34)
6	76 (26)	53 (24)	84 (35)
7	10 (3)	5 (2)	23 (10)
8	18 (6)	0 (0)	0 (0)

^a.

McCormick DP et al., Pediatrics. 2005;115(6):1455-65 (reference ⁹).

^b.

Laine MK et al., Pediatrics. 2010; 125(5):e1154-61 (reference ²⁰).

^c.

Numbers in parentheses are % of cases.

^d.

All TM in OS-5 had ‘full’ position