Table 119Relative risk of BCC in PUVA patients compared with the general population

StudyStandardised morbidity ratio
Population ratesPerson counts
STERN1984AAll incident tumours after ≥22 months
2.2 (1.6–2.9)
All incident tumours after ≥22 months
1.7 (1.2–2.3)
STERN1988AFirst tumour after ≥58 months
2.3 (1.8–2.9)

All incident tumours after ≥58 months
2.1 (1.6–2.7)
STERN19944.1 (3.5–4.7)2.5 (2.1–3.0)
STERN1998AFirst cancer after 1985(a)
4.1 (3.7–4.6)
a

The rate after 1985 was an arbitrary time-point chosen to investigate whether the risk changed at longer follow-up points

From: 9, Phototherapy

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NICE Clinical Guidelines, No. 153.
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