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Table 2
Estimated probability of utilization and average number of procedures used for patients with diabetes and controls following propensity score matching
	Probability of utilization				Average number of procedures^↑
	Diabetes	Controls	Difference	p-value	Diabetes	Controls	Difference	p-value
Dental Services (overall)	0.84	0.88	−0.03	< 0.001	22.65	24.54	−1.89	< 0.001
Services by Dental Class given at least one Dental Visit
Diagnostic	0.98	0.98	0.00	0.371	12.04	12.84	−0.81	< 0.001
Prophylaxis	0.72	0.77	−0.05	< 0.001	4.12	4.71	−0.59	< 0.001
Periodontal Maintenance	0.29	0.24	0.04	< 0.001	1.95	1.78	0.17	0.061
Overall Preventive Care^{^}	0.86	0.89	−0.03	< 0.001	6.07	6.49	−0.42	< 0.001
Periodontal-Non Surgical	0.25	0.20	0.05	< 0.001	0.91	0.72	0.19	< 0.001
Periodontal-Surgical	0.03	0.03	0.00	0.270	0.04	0.05	−0.01	0.128
Filling	0.67	0.72	−0.05	< 0.001	2.79	2.98	−0.19	0.020
Crown	0.49	0.53	−0.04	0.001	1.04	1.17	−0.13	0.001
Extraction	0.33	0.27	0.07	< 0.001	0.96	0.69	0.27	< 0.001
Prosthetic-Fixed	0.11	0.10	0.01	0.063	0.41	0.40	0.01	0.359
Prosthetic-Removable	0.17	0.13	0.04	< 0.001	0.39	0.30	0.09	< 0.001
*Overall					26.91	28.00	−1.09	0.002

^↑estimates conditional on at least one dental visit but unconditional on at least one service in a specific class. The denominator includes those with no utilization for a given service.

*includes any dental service, not restricted to those mentioned.

^Prophylaxis or Periodontal Maintenance.

Chaudhari et al. BMC Oral Health 2012 12:20 doi:10.1186/1472-6831-12-20

Table 2