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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: J Endod. 2015 Feb 27;41(4):457–463. doi: 10.1016/j.joen.2014.12.012

Table 1. Baseline characteristics of patients meeting pain criteria at 6 months.

Characteristics Number of Cases Evaluated (19)
N (%) or Mean (SD)
Number of Cases not Evaluated (19)
N (%) or Mean (SD)
p-value
(chi-square or t-test)

Gender
 Female 16 (84) 15 (79) 0.676

Age
In years 49 (13) 41 (14) 0.098

Ethnicity
 Non Hispanic or Latino 19 (100) 18 (95) 0.311

Race
 White 17 (89) 15 (79) 0.374

Dental Insurance
 Yes 17 (89) 15 (79) 0.374

Education
 College degree 13 (68) 12 (63) 0.732

Income
 >$50,000/year household 13 (68) 8 (42) 0.103

Arch
 Maxillary 10 (53) 12 (63) 0.511

Tooth type
 Posterior 17 (89) 16 (84) 0.631

Pain intensity, “now”
 0-10/10 2.3 (2.5) 3.7 (3.4) 0.148

Days in pain over last week
 0-7/7 4.9 (2.7) 5.2 (2.6) 0.807