Table 2.

Pattern distribution and classification.

Total n = 459			Group 1 (Negative) n = 336		Group 2 (Positive) n = 123
	Total LUS Score		Total LUS Score		Total LUS Score
	n	%	n	%	n	%
Pattern 1	41	8.93	35	10.42	7	5.69
Pattern 2	26	5.66	16	4.76	10	8.13
Pattern 3	206	44.88	171	50.89	37	30.08
Pattern 4	117	25.49	76	22.62	46	37.4
Pattern 5	41	8.93	22	6.55	12	9.76
Pattern 6	17	3.7	10	2.98	6	4.88
Pattern 7	11	2.4	6	1.79	5	4.07