Table 4.
Clinical characteristics of the remaining four study subjects and the case of psychogenic vomiting described in 1996 by de Moore and colleagues (Mr G*)4
| Cannabis | Mr J | Miss K | Mr L | Mr E | Mr G* |
| Haematology (10×9/l) | Hb: 143 g/l WCC: 7.7 Neut: 3.9 Plat:234 | Hb: 144 g/l WCC: 16.8 Neut: 14.4 Plat: 280 | Hb: 169 g/l WCC: 6.7 Neut: 3.2 Plat: 233 | Hb: 156 g/l WCC: 9.0 Neut: 5.1 Plat: 288 | WCC: raised Neut: raised |
| Biochemistry (mmol/l) | Sod: 140, K: 4.7, Cl: 99 | Sod: 143, K: 3.7, Cl: 103 | Sod: 139, K: 4.2, Cl: 98 | Sod: 143, K: 4.5, Cl: 106 | Normal |
| Amylase | Normal | Normal | Normal | Normal | – |
| Hep/HIV | Neg | Neg | Neg | Neg | Neg |
| βhCG | – | Neg | – | – | – |
| C2H5OH | 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 2 erosions | – | Normal | Mild reflux |
| Colonoscopy | – | Neg | Neg | – | – |
| Abdominal ultrasound | Neg | Neg | Neg | Neg | Neg |
| Barium studies | Neg | Neg | Neg | Neg | – |
| Gastric emptying study | – | – | – | – | – |
| 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.