Research Article
Impact of Melatonin as a Premedication Agent in Caesarean Section on Blood Loss and Postoperative Pain Level
Table 3
Comparison of visual pain scores.
| Pain score | Melatonin, n = 40 | Placebo, n = 40 | Test () |
| During cannula | Median (range) | 2.0 (1.0–5.0) | 3.0 (1.0–8.0) | U = 1276.0, | IQR (25–75) | 2.0–3.0 | 3.0–5.0 |
| During spinal needle | Median (range) | 3.0 (2.0–5.0) | 5.50 (3.0–10.0) | U = 1372.0, | IQR (25–75) | 2.0–4.0 | 3.50–7.0 |
| Post 30 min | Median (range) | 1.0 (0.0–2.0) | 0.0 (0.0–4.0) | U = 428.0, | IQR (25–75) | 0.0–1.0 | 0.0–0.0 |
| Post 1 h | Median (range) | 0.0 (0.0–2.0) | 1.0 (0.0–2.0) | U = 978.0, = 0.063 | IQR (25–75) | 0.0–1.0 | 0.0–2.0 |
| Post 2 h | Median (range) | 1.0 (0.0–4.0) | 2.0 (1.0–3.0) | U = 1000.0, = 0.036 | IQR (25–75) | 1.0–2.0 | 1.0–2.0 |
| Post 3 h | Median (range) | 2.0 (1.0–4.0) | 4.0 (1.0–6.0) | U = 1280.5, | IQR (25–75) | 2.0–3.0 | 3.0–4.0 |
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Range, min–max; U, Mann–Whitney; value compared between melatonin and placebo; significant when value <0.05. |