Table 3.

Difficulty index variations.

Patient	Score	Difficulty	Patient	Score	Difficulty
1	7	high	31	6	intermediate
2	3	low	32	8	high
3	6	intermediate	33	1	low
4	6	intermediate	34	3	low
5	4	low	35	5	intermediate
6	9	high	36	5	intermediate
7	2	low	37	6	intermediate
8	4	low	38	5	intermediate
9	3	low	39	6	intermediate
10	5	intermediate	40	3	low
11	4	intermediate	41	8	high
12	7	high	42	2	low
13	5	intermediate	43	3	low
14	5	intermediate	44	5	intermediate
15	5	intermediate	45	3	low
16	10	high	46	3	low
17	4	intermediate	47	5	intermediate
18	1	low	48	4	intermediate
19	8	high	49	5	intermediate
20	6	intermediate	50	4	intermediate
21	4	intermediate	51	3	low
22	5	intermediate	52	3	low
23	5	intermediate	53	7	high
24	3	low	54	4	intermediate
25	5	intermediate	55	5	intermediate
26	6	intermediate	56	6	intermediate
27	6	intermediate	57	4	intermediate
28	5	intermediate	58	3	low
29	5	intermediate	59	9	high
30	1	low	60	6	intermediate