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. 2020 Feb 28;90(4):578–586. doi: 10.2319/092319-607.1

Table 5. .

Comparison of Oral Health Impact Profile Scores at Various Time Intervals of Observation in Group II (First Premolar Extraction) Subjectsa

Items
 T0-T1
 T0-T2
 T0-T3
 T0-T4
 T0-T5
 T1-T2
 T1-T3
 T1-T4
 T1-T5
 T2-T3
 T2-T4
 T2-T5
 T3-T4
 T3-T5
 T4-T5
Domain 1: Functional limitations
1 * NS NS NS NS NS NS NS NS * NS NS NS NS NS
2 * NS NS NS NS NS NS NS NS * NS NS NS NS NS
Total (1 + 2) ** ** NS NS NS NS ** ** *** * ** ** NS ** *
Domain 2: Physical pain
3 *** *** *** ** ** * *** *** *** ** *** *** ** *** ***
4 *** *** *** ** NS ** *** *** *** *** *** *** ** *** ***
Total (3 + 4) *** *** *** ** ** ** *** *** *** *** *** *** ** *** ***
Domain 3: Psychological discomfort
5 NS * ** *** *** ** *** *** *** ** *** *** ** *** **
6 NS * * ** *** NS NS *** *** NS *** *** ** ** NS
Total (5 + 6) * NS * *** *** * *** *** *** ** *** *** *** *** **
Domain 4: Physical disability
7 *** ** * NS NS ** ** *** *** ** ** *** * *** **
8 *** ** NS NS NS NS ** *** *** ** *** *** * *** **
Total (7 + 8) *** *** * NS NS * *** *** *** ** *** *** * *** **
Domain 5: Psychological disability
9 * NS NS NS * NS * ** ** NS * ** NS * *
10 NS NS ** *** *** NS ** *** *** * *** *** *** *** **
Total (9 + 10) * NS NS *** *** NS *** *** *** * *** *** ** *** *
Domain 6: Social disability
11 * NS NS * * NS * *** ** NS ** * NS NS NS
12 NS NS NS NS NS NS NS * * NS NS ** NS NS NS
Total (11 + 12) * NS NS NS * NS * *** ** NS * ** * * NS
Doamin 7: Handicap
13 NS NS NS * * NS NS * NS NS * * NS NS NS
14 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS
Total (13 + 14) NS NS NS * NS NS NS * NS NS ** NS NS NS NS
Total OHIP-14 score *** *** NS ** *** *** *** *** *** *** *** *** *** *** ***
a 

T0 indicates baseline data; T1, 1 month after start of orthodontic treatment; T2, 3 months after start of orthodontic treatment; T3, 6 months after start of orthodontic treatment; T4, 1 year after start of orthodontic treatment; T5, 1 week after completion of orthodontic treatment; and NS, nonsignificant.

* 

P < .05; ** P < .01; *** P < .001.