Labour Analgesia When Epidural Is Not a Choice: Tramadol versus Pentazocine

Table 2

Comparison of pain score (VAS) among the two groups.

	Tramadol			Pentazocine			𝑃 value
		Median	Range		Median	Range
Before injection (0 h)	𝑛=40	8	4–10	𝑛=25	8	5–10	0.281
1 hour	𝑛=40	7	4–10	𝑛=25	7	2–10	0.073
4 hours	𝑛=17	8	5–10	𝑛=22	8	2–10	0.732
End of first stage	𝑛=36	10	6–10	𝑛=25	10	6–10	0.914