Table 4.

OVERRUN TIME BY DENTAL TREATMENTS

	N=709	Scheduled time (mins)	Actual time (mins)	Overrun time (mins)	P-value*
	N (%)	Mean (±SD†)	Mean (±SD†)	Mean (±SD†)
No. of teeth treated					<.001
1–10	326 (46)	82 (21)	61 (20)	−20 (23)
>10	383 (54)	98 (42)	88 (42)	−10 (31)
Treatment type					<.001
Operative only	185 (26)	92 (36)	77 (40)	−14 (29)
Extractions only	29 (4)	85 (22)	46 (15)	−39 (24)
Both operative and extractions	495 (70)	91 (35)	78 (36)	−13 (27)

^*Calculated using a 2-sample t test or analysis of variance.

^†SD=standard deviation.