Table 3. Reported median pain scores in the perioperative period.

Pain score	Laparoscopy, 2004–2006 (n = 22)	Laparoscopy, 2007–2010 (n = 17)	Robot, 2007–2010 (n = 29)	p
Baseline
Pain score	0	0	0	0.093
Range	0–4	0–9	0–1
Preoperative
Pain score	0	0	0	0.247
Range	0–4	0–3	0–3
Postoperative
Pain score	2.5	2	1	0.276
Range	0–10	0–8	0–10
Discharge
Pain score	2.5	0.5	1	0.641
Range	0–10	0–5	0–6
Follow-up visit
Pain score	0	0	0	0.624
Range	0–4	0–8	0–3
Baseline to postoperative
Change	2.5	2	1	0.556
Range	−3 to 10	−9 to 8	−1 to 10
Baseline to discharge
Change	2.5	0.5	1	0.589
Range	−4 to 4	−8 to 7	−1 to 3