Table 2

Distribution of Boerge Prien test (BPP) scores and prevalence ratios, stratified according to hearing score
Otitis media hospitalisation in childhood
Yes No
Severe hearing impairment (hearing score 0–3)
Number, % 78 (7.9%) 754 (4.4%)
Median BPP (quartile) 40 (32–47) 39 (33–46)
Men with a BPP in the bottom quartile 33 (42.3%) 313 (41.5%)
PR for BPP in the bottom quartile, 95% CI 1.01 (0.78–1.34) 1 (reference)
Moderate hearing impairment (hearing score 4)
Number, % 274 (27.6%) 3902 (22.5%)
Median BPP (quartile) 41 (33–46) 43 (38–49)
Men with a BPP in the bottom quartile 105 (38.3%) 1107 (28.4%)
PR for BPP in the bottom quartile, 95% CI 1.35 (1.15–1.58) 1 (reference)
No hearing impairment (hearing score 5)
Number, % 641 (64.6%) 12 653 (73.1%)
Median BPP (quartile) 43 (38–49) 44 (38–50)
Men with a BPP in the bottom quartile 169 (26.4%) 2908 (22.9%)
PR for BPP in the bottom quartile, 95% CI 1.15 (1.01–1.32) 1 (reference)
Total 993 (100%) 17 309 (100%)

Mortensen et al.

Mortensen et al. BMC Pediatrics 2013 13:8   doi:10.1186/1471-2431-13-8

Open Data