Table 2.

Descriptive statistics comparing PCA, PCAP and D1 between Group I and Group II.

Interdental area	Group	PCA	PCAP	D1
PM/CA (14/13)	Group I M/F	1.89 ± 0.57	25.71 ± 7.31	4.41 ± 0.64
	Group II M/F	1.87 ± 0.62	24.75 ± 7.20	4.69 ± 0.64
	p-value	0.02(0.7830), NS	0.95(0.3519), NS	0.27(0.0107), S
CA/LI (13/12)	Group I M/F	2.29 ± 0.65	25.81 ± 7.43	4.42 ± 0.60
	Group II M/F	2.37 ± 0.45	26.34 ± 8.76	4.74 ± 0.80
	p-value	0.08(0.3906), NS	0.55(0.6269), NS	0.27(0.0189), S
LI/CI (12/11)	Group I M/F	3.25 ± 0.73	40.13 ± 8.83	4.65 ± 0.89
	Group II M/F	3.24 ± 0.86	39.16 ± 9.42	4.94 ± 1.06
	p-value	0.008(0.9421), NS	0.97(0.4506), NS	0.29(0.0380), S
CI/CI (11/21)	Group I M/F	3.94 ± 0.91	40.52 ± 9.26	4.96 ± 0.90
	Group II M/F	3.74 ± 1.18	37.44 ± 10.57	5.50 ± 0.93
	p-value	0.1924, NS	0.0298, S	0.0001, HS
CI/LI (21/22)	Group I M/F	3.25 ± 0.71	39.60 ± 10.54	4.41 ± 0.76
	Group II M/F	3.38 ± 1.05	38.84 ± 10.39	5.31 ± 1.06
	p-value	0.2901, NS	0.6087, NS	<0.0001, HS
LI/CA (22/23)	Group I M/F	2.52 ± 0.60	28.12 ± 8.03	4.37 ± 0.59
	Group II M/F	2.66 ± 0.67	27.92 ± 6.58	4.96 ± 0.86
	p-value	0.1274, NS	0.8440, NS	<0.0001, HS
CA/PM (23/24)	Group I M/F	2.11 ± 0.58	28.61 ± 8.59	4.40 ± 0.65
	Group II M/F	2.13 ± 0.60	27.14 ± 6.22	4.84 ± 0.78
	p-value	0.016(0.8448), NS	1.46(0.1677), NS	0.44(<0.0001), HS

PCA = Proximal contact area, PCAP = Proximal contact area proportion, D1 = Distance of bone crest to apical contact point, NS = Non-significant, S = Significant, HS = Highly significant.