Table 4. Comparison of the 1st and the 2nd phase

Parameters	1st phase	2nd phase	Total	p-value
Admission date (day)	14.1±6.6	11.7±3.6	12.8±5.4	<0.05*
Operation time (minute)	133.0±57.5	119.9±50	126.4±54.0	0.211
NSF
(–)	48	34	82	<0.05*
(+)	5	20	25
Intra-operative NSF
(–)	51	37	88	<0.001*
(+)	2	17	19
Post-operative NSF
(+)	50	51	101	1.000
(–)	3	3	7
Intra-operative CSF leakage
(–)	41	41	82	0.861
(+)	12	13	25
Post-operative CSF leakage
(–)	41	50	91	<0.05*
(+)	12	4	16
Revision operation
(–)	43	49	92	0.174
(+)	10	5	15
Crust
(–)	40	39	79	0.702
(+)	13	15	18
Discharge
(–)	43	50	93	0.079
(+)	10	4	14
Septal perforation
(–)	51	48	99	0.270
(+)	2	6	8

Independent t-test, Chi-square test or Fisher’s exact test was used.
Statistically significant.
NSF: nasoseptal flap, CSF: cerebrospinal fluid.