Table:
Scale	PSBS t1_3b	PSBS t7_3b	n	z	p
1. Psychosomatic symptom complex	6.81 (3.16)	6.94 (3.00)	513	-6.35	< .01
2. Gastrointestinal symptom complex	0.82 (1.30)	0.51 (0.96)	514	-5.47	< .01
3. Respiratory symptom complex	1.84 (1.58)	1.79 (1.45)	513	-2.41	< .01
4. Sweatinga	0.35 (0.76)	0.24 (0.60)	506	-0.34	.73
5. Paina	1.99 (0.95)	1.70 (0.80)	512	-2.85	< .01
6. Itchinga	0.21 (0.55)	0.27 (0.61)	513	-3.14	< .01
Sum score	12.21 (4.40)	11.70 (4.13)	514	-2.02	< .01

Render the table in Markdown format.

| Scale | PSBS t1_3b | PSBS t7_3b | n | z | p | 
 | --- | --- | --- | --- | --- | --- | 
 | 1. Psychosomatic symptom complex | 6.81 (3.16) | 6.94 (3.00) | 513 | -6.35 | < .01 | 
 | 2. Gastrointestinal symptom complex | 0.82 (1.30) | 0.51 (0.96) | 514 | -5.47 | < .01 | 
 | 3. Respiratory symptom complex | 1.84 (1.58) | 1.79 (1.45) | 513 | -2.41 | < .01 | 
 | 4. Sweatinga | 0.35 (0.76) | 0.24 (0.60) | 506 | -0.34 | .73 | 
 | 5. Paina | 1.99 (0.95) | 1.70 (0.80) | 512 | -2.85 | < .01 | 
 | 6. Itchinga | 0.21 (0.55) | 0.27 (0.61) | 513 | -3.14 | < .01 | 
 | Sum score | 12.21 (4.40) | 11.70 (4.13) | 514 | -2.02 | < .01 |