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. 2008 Jun 10;99(1):133–135. doi: 10.1038/sj.bjc.6604427

Table 1. Distribution of age and sex among study participants and median tumour M2 PK levels by age.

Age group (years) No. of participants (%) % females Median tumour M2 PK level (interquartile range) (U ml−1)
30–49 23 (2.1) 52.2 0.8 (0.1–1.4)
50–59 356 (33.1) 53.1 1.0 (0.2–2.6)
60–69 517 (48.0) 51.1 1.4 (0.4–3.4)
70–79 171 (15.9) 43.3 1.8 (0.5–4.1)
80+ 10 (0.9) 10.0 2.0 (1.1–8.7)

Tumour M2 PK=tumour M2 pyruvate kinase.