Table 1Comparison of demographic data and basic variables in the samples studied.
Variables |
Cryotherapy
|
IPL
|
p
|
n (%) |
n (%) |
Sex |
Male |
13 (15.7) |
33 (39.8) |
< 0.001 |
Female |
70 (84.3) |
50 (60.2) |
Age group |
≤ 10 |
1 (1.2) |
7 (8.4) |
0.01 |
11–20 |
20 (24.1) |
17 (20.5) |
21–40 |
44 (53) |
46 (55.4) |
41–60 |
14 (16.9) |
4 (4.8) |
≥ 61 |
4 (4.8) |
9 (10.8) |
Member of overtaken |
Chest |
19 (22.9) |
17 (20.5) |
0.9 |
Abdomen |
7 (8.4) |
6 (7.2) |
Hand |
12 (14.5) |
14 (16.9) |
Shoulder |
17 (20.5) |
14 (16.9) |
Leg |
7 (8.4) |
7 (8.4) |
Arm |
21 (25.3) |
25 (30.1) |
Cause of scarring |
Surgery |
11 (13.3) |
12 (14.5) |
0.1 |
Acne |
38 (45.8) |
23 (27.7) |
Trauma |
22 (26.5) |
32 (38.6) |
Burn |
12 (14.5) |
16 (19.3) |
Vascularity |
NL |
0 |
0 |
0.8 |
Pink |
23 (27.7) |
26 (31.3) |
Red |
47 (56.6) |
44 (53) |
Purple |
13 (15.7) |
13 (15.7) |
Pigmentation |
NL |
0 |
0 |
0.2 |
Hypopigmentation |
11 (13.3) |
6 (7.2) |
Mixed |
40 (48.2) |
36 (43.4) |
Hyperpigmentation |
32 (38.6) |
41 (49.4) |
Pliability |
NL |
0 |
0 |
0.004 |
Supple |
4 (4.8) |
1 (1.2) |
Yielding |
26 (31.3) |
8 (9.6) |
Firm |
46 (55.4) |
63 (75.9) |
Contracture |
4 (4.8) |
4 (4.8) |
Rope |
3 (3.6) |
7 (8.4) |
Height |
Flat |
0 |
0 |
0.01 |
< 2 mm |
28 (33.7) |
16 (19.3) |
2–5 mm |
35 (42.2) |
30 (36.1) |
> 5 mm |
20 (24.1) |
37 (44.6) |
History of treatment |
Yes |
8 (9.6) |
20 (24.1) |
0.01 |
No |
75 (90.4) |
63 (75.9) |
Total |
83 |
83 |
— |
Table 2Comparison of cure rate in samples studied.
Variables |
Cryotherapy |
IPL |
p
|
Improvement of clinical (%) |
91.5 |
89.3 |
0.5 |
Improvement of color (%) |
91.5 |
89 |
0.4 |
Improvement of height (%) |
91.4 |
89.3 |
0.5 |
Average number of treatment sessions (n) |
4.6 |
5.3 |
0.05 |
Incidence of Complications (n/%) |
12/14.5 |
10/12 |
0.4 |
Satisfaction of treatment method (%) |
93.2 |
88.8 |
0.09 |
Kind of complications (n) |
Telangiectasia |
0 |
1 |
0.5 |
Hyperpigmentation |
7 |
7 |
Hypopigmentation |
1 |
0 |
Atrophy |
1 |
2 |
Erythema |
2 |
0 |
Hyperpigmentation and ulcer |
1 |
0 |
Cure rate (%) |
Weak |
3.6 |
4.8 |
0.5 |
Moderate |
7.2 |
6 |
Good |
8.4 |
15.7 |
Excellent |
80.7 |
73.5 |
Table 3Comparison of complete cure in the samples studied.
Variables |
Cryotherapy
|
IPL
|
N (%) |
p
|
N (%) |
p
|
Sex |
Male |
11 (84.6) |
0.3 |
29 (87.9) |
0.06 |
Female |
56 (80) |
31 (62) |
Age group (y) |
≤ 10 |
1 (100) |
0.05 |
2 (28.6) |
< 0.001 |
11–20 |
15 (75) |
17 (100) |
21–40 |
39 (88.6) |
33 (71.7) |
41–60 |
8 (57.1) |
2 (50) |
≥ 61 |
4 (100) |
6 (66.7) |
Member of overtaken |
Chest |
10 (14.9) |
0.04 |
13 (76.5) |
0.001 |
Abdomen |
6 (85.7) |
5 (83.3) |
Hand |
11 (91.7) |
7 (50) |
Shoulder |
15 (88.2) |
9 (64.3) |
Leg |
7 (100) |
3 (42.9) |
Arm |
18 (85.7) |
23 (92) |
Cause of scarring |
Surgery |
7 (63.6) |
0.3 |
8 (66.7) |
0.08 |
Acne |
30 (78.9) |
17 (73.9) |
Trauma |
19 (86.4) |
27 (84.4) |
Burn |
11 (91.7) |
8 (50) |
Vascularity |
NL |
— |
0.2 |
— |
0.02 |
Pink |
21 (91.3) |
24 (92.3) |
Red |
34 (72.3) |
29 (65.9) |
Purple |
12 (92.3) |
7 (53.8) |
Pigmentation |
NL |
— |
0.2 |
— |
0.003 |
Hypopigmentation |
11 (100) |
5 (83.3) |
Mixed |
34 (85) |
31 (86.1) |
Hyperpigmentation |
22 (68.8) |
24 (58.5) |
Pliability |
NL |
— |
< 0.001 |
— |
< 0.001 |
Supple |
4 (100) |
1 (100) |
Yielding |
23 (88.5) |
8 (100) |
Firm |
37 (80.4) |
49 (77.8) |
Contracture |
0 |
2 (50) |
Rope |
3 (100) |
0 |
Height (mm) |
Flat |
— |
0.007 |
— |
< 0.001 |
< 2 |
27 (96.4) |
16 (100) |
2–5 |
30 (85.7) |
28 (93.3) |
> 5 |
10 (50) |
16 (43.2) |
History of treatment |
Yes |
7 (87.5) |
0.7 |
12 (60) |
0.1 |
No |
60 (80) |
48 (76.2) |