Table 3.
Clinical characteristics of the first five study subjects
| Cannabis | Mr Y | Mrs X | Mr A | Mr Q | Mr R |
| Haematology (10×9/l) | Hb: 161 g/l WCC: 16.9 Neut: 15.2 Plat: 277 | Hb: 156 g/l WCC: 11.5 Neut: 9.7 Plat: 261 | Hb: 165 g/l WCC: 15.2 Neut: 13.0 Plat: 237 | Hb: 146 g/l WCC: 14.0 Neut: 11.9 Plat: 239 | Hb: 153 g/l WCC: 12.2 Neut: 10.6 Plat: 225 |
| Biochemistry (mmol/l) | Sod: 140, K: 4.4, Cl: 99 | Sod: 138, K: 4.1, Cl: 98 | Sod: 148, K: 4.0, Cl: 109 | Sod: 145, K: 3.5, Cl: 102 | Sod: 144, K: 4.0, Cl: 107 |
| Amylase | Normal | Normal | Normal | Normal | Normal |
| Hep/HIV | Neg | Neg | Neg | Neg | Neg |
| βhCG | – | Neg | – | – | – |
| C2H5OH | Nil | Nil | Nil | Nil | Nil |
| Porphyria | Neg | Neg | Neg | Neg | Neg |
| Urine drug screen (μg/l) | Cannabis only | Cannabis only | Cannabis only | Cannabis only | Cannabis only |
| Endoscopy (modified Savary-Miller criteria) | Grade 4 erosions | Normal | Grade 2 erosions | Normal | Grade 2 erosions |
| Colonoscopy | Neg | Neg | Neg | – | – |
| Abdominal ultrasound | Neg | Neg | Neg | Neg | Neg |
| Barium studies | Neg | Neg | Neg | Neg | – |
| Gastric emptying study | Grossly delayed | Normal | Normal | – | – |
| Multiple other investigations | Neg | Neg | Neg | Neg | Neg |
Hb, haemoglobin; WCC, white cell count; Neut, neutrophils; Plat, platelets; Sod, sodium; Hep/HIV, hepatitis/human immunodeficiency virus; βhCG, beta human chorionic gonadotrophin (pregnancy test); C2H5OH, alcohol.