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Table 2 Treatment outcomes associated with residual need

From: Socioeconomic disparities in orthodontic treatment outcomes and expenditure on orthodontics in England’s state-funded National Health Service: a retrospective observational study

Outcome

Percentage (relative frequency)

NHS expenditure (GBP)

All

n = 24,501

Males

n = 10,571

Females

n = 13,930

Residual need

5.2

(1264/24501)

5.4

(568/10571)

5.0

(696/13930)

1,567,866

No residual need

56.5

(13,855/24501)

55.4

(5858/10571)

57.4

(7997/13930)

17,172,127

Incomplete IOTN outcome field

18.9

(4636/24501)

19.9

(2099/10571)

18.2

(2537/13930)

5,747,544

Missing outcome record

19.4

(4746/24501)

19.4

(2046/10571)

19.4

(2700/13930)

5,890,206

  1. GBP Great Britain Pound, IOTN Index of Orthodontic Treatment Need, NHS National Health Service