Table 3. Characteristics, treatment detail and pain scores of the group of patients who underwent laser treatment under sub-tenon anaesthesia with oral or rectal sedation.

Subject number	Gestational age (w+d)	Birth weight (g)	PMA at treatment (w+d)	Baseline pain score	Range of pain score	Mean pain score	Mean change in pain score	Duration of treatment (min)	Number of laser burns (right eye)	Number of laser burns (left eye)
1	26+4	720	33+5	0	3–6	5.5	5.5	50	1344	1213
2	27	830	39+3	0	0–3	1.8	1.8	60	961	975
3	23+3	450	36+4	0	0–8	4.6	4.6	55	864	695
4	26	900	35+5	0	4–5	4.6	4.6	40	1161	1404
5	27+3	940	40+1	0	0–9	3	3	70	1153	1049
6	25+2	730	38+3	0	0–1	0.5	0.5	60	1043	943
7	26+4	972	37+6	0	0–5	3.2	3.2	35	870	900
8	26	888	42+2	0	1–3	2.2	2.2	50	871	957
9	25+4	840	36+3	0	0–1	0.5	0.5	35	1152	951
10	25+2	675	40+4	0	1–5	2.4	2.4	50	931	1021
11	27	1200	33+4	2	2–7	4.5	2.5	60	1265	1135
12	24	740	35+3	4	5–8	6.2	2.2	40	805	841
13	25+3	816	36+0	1	1–8	3.4	2.4	65	1101	1038
14	24+6	754	37+6	0	0–4	0.5	0.5	70	1582	1290
15	24	790	39+1	0	0–2	1.3	1.3	60	1252	989
16	24+4	776	36+6	2	0–3	1.5	−0.5	90	2205	1850
17	23+5	560	35+5	3	1–3	1.6	1.4	45	1188	1841
18	25+3	810	36+4	0	0–5	2	2	65	1131	911
19	25+1	705	38+4	0	0–4	1.6	1.6	60	1848	1572