Table 3 Change in physiological severity score (PSS) from first point of medical contact to hospital admission, a positive number indicating physiological improvement
No analgesia n = 275 | Pentazocine n = 888 | Ketamine n = 713 | Group comparisons | |
|---|---|---|---|---|
Change in PSS sum score | 1.3 (1.1–1.5) | 1.5 (1.4–1.6) | 1.5 (1.4–1.6) | p = 0.26. |
No significant differences between means. | ||||
Change in respiratory rate score | 0.4 (0.3–0.4) | 0.5 (0.5–0.6) | 0.5 (0.4–0.5) | p = 0.003. |
Pentazocine vs no analgesia: p = 0.002 | ||||
Ketamine vs no analgesia: p = 0.02 | ||||
Pentazocine vs ketamine: p = 0.8 | ||||
Change in blood pressure score | 0.4 (0.3–0.5) | 0.6 (0.6–0.7) | 0.7 (0.7–0.8) | p = <0.0001 |
Pentazocine vs no analgesia: p = <0.0001 | ||||
Ketamine vs no analgesia: p = <0.0001 | ||||
Ketamine vs pentazocine: p = 0.08 | ||||
Change in consciousness score | 0.6 (0.5–0.7) | 0.4 (0.3–0.4) | 0.3 (0.2–0.3) | p = <0.0001 |
Pentazocine vs no analgesia: p = 0.0006 | ||||
Ketamine vs no analgesia: p = <0.0001 | ||||
Ketamine vs pentazocine: p = 0.2 |