. 2016 May 11;2016:3874964. doi: 10.1155/2016/3874964

Table 1.

Baseline characteristics of patients grouped in the high and low pain group.

	Low pain	High pain	p value
Gender, men/women (%)	11/11/(50/50)	12/11 (52/48)	0.884^a
Age, mean (SD)	40 (9)	41 (12)	0.697^b
Current smoker, yes/no (%)	6/16 (27/73)	13/10 (57/43)	0.047^a
Treatment, surgery/conservative (%)	10/12 (45/55)	8/15 (35/65)	0.465^a
HSCL total score, mean (SD)	1.53 (0.41)	2.09 (0.56)	0.001^c

^aPearson Chi-square, ^bunpaired Student's t-test, and ^cMann-Whitney U test. SD: standard deviation, and HSCL: Hopkins symptom checklist.