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Table 2 Estimated standardized rates a for all hospital admissions, by BMI

From: Hospital admissions in relation to body mass index in UK women: a prospective cohort study

 

Annual standardized hospital admission rates (95% CI) per 1,000 women with body mass index (kg/m2):

Age-group

<22.5

22.5-24.9

25.0-29.9

30.0-34.9

35+

Trend in rate ratio (95% CI) per 5 kg/m2 increase in BMI

All women

237 (236-238)

235 (234-236)

258 (258-259)

297 (296-298)

346 (344-349)

1.12 (1.12-1.13)

50 to 54

170 (170-172)

170 (168-172)

189 (188-191)

218 (215-222)

254 (250-260)

1.13 (1.12-1.14)

55 to 59

195 (194-197)

193 (192-194)

215 (214-216)

249 (247-251)

293 (290-297)

1.13 (1.12-1.13)

60 to 64

235 (233-237)

231 (230-233)

255 (254-256)

292 (290-295)

350 (346-354)

1.13 (1.13-1.13)

65 to 69

290 (287-292)

290 (288-292)

316 (314-317)

367 (363-370)

414 (408-420)

1.13 (1.13-1.14)

75+

384 (379-389)

385 (381-389)

415 (411-418)

466 (460-473)

528 (516-540)

1.06 (1.06-1.07)

  1. aStandardized for age, region of recruitment, socioeconomic status, parity, age at first birth, smoking status, hormonal therapy use and alcohol intake. BMI, body mass index; CI, confidence interval.