Table 2.

Temporal and geographic variation in laboratory tests, tests per 10 000 person-years (age–sex standardised)

Test20052006200720082009Relative % increase (rank)Absolute increase (rank)Between-region SD (rank)
Faecal occult blood4240649193121.3 (1)51.1 (16)0.38 (13)
C-reactive protein44050358970881785.8 (2)377.2 (5)0.34 (14)
Haematinics32638744547357175.0 (3)244.9 (11)0.22 (18)
Immunoglobulins6177959410673.4 (4)45.1 (17)0.31 (15)
Serum iron studies425159747272.2 (5)30.3 (21)0.87 (6)
Urine biochemistry33637840644556066.9 (6)224.5 (12)0.19 (22)
Blood trace elements/vitamins7075818611260.4 (7)42.0 (18)1.25 (3)
Bone profile75689810191092115052.0 (8)393.3 (4)0.59 (7)
Clotting tests76696310621126111245.1 (9)345.3 (7)0.56 (8)
Prolactin level415052515536.0 (10)14.6 (22)0.44 (10)
Prostate-specific antigen22022425326129534.2 (11)75.3 (15)0.25 (16)
Plasma viscosity12913213417017031.4 (12)40.5 (19)3.14 (1)
Full blood count2898310633063545364225.7 (13)743.7 (2)0.13 (27)
Liver function tests2717303031653293340525.3 (14)688.1 (3)0.14 (25)
Erythrocyte sedimentation rate77981589693096824.2 (15)188.7 (13)0.40 (11)
Urea and electrolytes3212352537503862398724.1 (16)774.5 (1)0.11 (28)
Urine MCS1631174118861921200022.6 (17)368.3 (6)0.19 (20)
Sex hormones14015716416317121.9 (18)30.7 (20)0.19 (21)
Thyroid function tests1843191719392103218018.3 (19)337.0 (8)0.10 (29)
Glucose2069216721842263235613.9 (20)287.2 (9)0.16 (23)
Rheumatoid factor89889311110012.4 (21)11.1 (24)0.21 (19)
Lipid profile2082225122602286234112.4 (22)259.1 (10)0.14 (26)
HbA1c — diabetes control70272273975378712.0 (23)84.5 (14)0.15 (24)
Creatine phosphokinase level1731882221971856.8 (24)11.8 (23)0.93 (4)
Film report63646662653.3 (25)2.1 (25)0.89 (5)
Vaginal swab1061079598106−0.4 (26)−0.4 (26)0.38 (12)
Urine dipstick1021110010631091995−2.6 (27)−26.8 (29)0.23 (17)
Cardiac enzymes8278918276−8.0 (28)−6.6 (27)2.01 (2)
Pregnancy test7469676257−23.7 (29)−17.6 (28)0.48 (9)
Average of all testsa23 87225 88927 23128 57829 64424.25772
  • HbA1c = glycosylated haemoglobin. MCS = microscopy, culture and sensitivities. SD = standard deviation.

  • a Average of all tests, including those that are utilised less than 50 times per 100 000 person-years.