Table 2.

Detailed Pirani score

Pirani score		Group A (n = 637 feet)		Group B (n = 628 feet)		P1	P2
		Initial visit	Final follow-up	Initial visit	Final follow-up
Excellent (scores between 0 and 1)	n (%)	0 (0)	515 (80.85)	0 (0)	474 (75.48)	0.06 * NS	0.32 * NS
Good (scores between 1.5 and 2.5)	n (%)	48 (7.54)	90 (14.13)	57 (9.08)	110 (17.52)
Poor (scores ≥ 3)	n (%)	589 (92.46)	32 (5.02)	571 (90.9)	44 (7.0)
Mean (sd)		4.73 (1.8)	0.82 (0.81)	4.59 (2)	0.86 (0.83)	0.07 † NS	0.42 † NS
Median (range)		5 (3 to 6)	1 (0 to 2.5)	4.6 (2.5 to 6)	1 (0 to 3)
P3	McNemar test	< 0.001 ‡ ††		< 0.001 ‡ ††
	Paired Wilcoxon test	< 0.001 ** ††		< 0.001 ** ††

^*chi-squared test

^†Mann Whitney

^‡McNemar test

^**Paired Wilcoxon

^††highly significant (p < 0.01)

NS, not significant (p > 0.05); P1, initial score in group A versus group B; P2, final score in group A versus group; P3, initial versus final score in each group