Khrebet Sarydzhaz

Table with univariate and multivariate analysis results for various variables, including age, sex, and tumor characteristics.

| Variable | Univariate analysis | | Multivariate analysis | | | | HR (95% CI) | P value | HR (95% CI) | P value | | ------------ | ------------------ | ----------- | ------------------ | ----------- | | Age | 1.01 (0.99-1.03) | 0.06 | 1.01 (0.99-1.03) | 0.06 | | Gender | 1.00 (reference) | 0.001 | 1.00 (reference) | 0.001 | | Tumor size | 1.00 (0.99-1.01) | 0.06 | 1.00 (0.99-1.01) | 0.06 | | Tumor grade | 1.00 (reference) | 0.001 | 1.00 (reference) | 0.001 | | Tumor grade | 1.00 (reference) | 0.001 | 1.00 (reference) | 0.001 | | Tumor grade | 1.00 (reference) | 0.001 | 1.00 (reference) | 0.001 | | Tumor grade | 1.00 (reference) | 0.001 | 1.00 (reference) | 0.001 |

Description of the ascent made by the CSKA MO RK team to Peak Khan-Tengri via the Myslovsky Route, rated as category 6B.

Central Tian-Shan, Tengri-Tag ridge, S. Inylchek glacier, section 7.9 of the classifier Peak Khan-Tengri (7010 m), from the S. Inylchek glacier along the center and couloir of the Northern wall, Mylovsky's route Submitted — 6B cat. diff. The nature changed The route height difference — 2810 m Route length — 4316 m Length of sections: V cat. diff. — 81 m VI cat. diff. — 5 m Average steepness:

Report on the ascent of Khan-Tengri via the Northwest Ridge in 2000, category of difficulty 5A, combined route, height difference 2800 m.

Ascent Passport Ascent area — Central Tien Shan, Tengri Tag ridge, South Inylchek glacier, number according to the 1999 classification table —. Peak name: Khan Tengri (6995 m), route name: via NW edge from Chapayev peak shoulder (I. Grebenshchikov). Complexity category: 5A category. Route type — combined Route elevation gain: 2800 m (by altimeter); route length — 8260 m; sections of 5th category — 1500 m; 6th category —.

The first winter ascent of Khan-Tengri peak via the South-West slope, made by a team of International Master of Sports grade climbers led by V. Suviga in February 1992.

Passport Class — winter ascents Central Tien Shan, Tengri Tag ridge Peak Khan-Tengri via the southwest slope Proposed 6A first ascent in winter conditions Elevation gain: 2800 m (from the confluence of the Semenovsky and South Inylchek glaciers) Average steepness of the main part of the route — 45° (from the saddle between peaks Chapayev and Khan-Tengri to the summit of Khan-Tengri 5800–6995 m) Pitons used: rock — 6 pcs., ice — 4 pcs. Previously used pitons not removed — 12 pcs. Team's total climbing hours: 28 hours and 4 days

Ascent of the "Odessa" alpine club team to Khan-Tengri peak via the left counterfort of the North face in 1987, first ascent of a 6 km route of 6th category of difficulty.

Passport Altitude class. Central Tian-Shan, Tengri-Tag ridge. Khan-Tengri peak (6995 m.) via the left buttress of the center of the North face. Proposed 6th category of difficulty first ascent. Height difference 2700 m., length 3570 m. Length of sections with 5-6 category of difficulty: 1400 m. Average steepness of the main part of the route: 58°. Number of pitons used: | Rock | Chocks | Ice | | :--: | :----: | :-: |

Ascent of the Togliatti City Committee of Physical Culture and Sports team on Khan-Tengri via the eastern counterfort of the North Face in 1975, 6B category of complexity.

ascents made during the 1975 USSR Alpine Climbing Championship. Ascent category — high-altitude. Ascent region — Central Tian Shan. Ascent route with indication of peaks and their elevations. Eastern buttress of the North face of Pik Khan-Tengri (6995 m). Ascent characteristics: elevation gain — 2845 m. average steepness — 51° (5700 m). Length of the most difficult sections — 930 m. Pitons driven: rock — 78, ice — 10, bolt — none. Total hours of climbing — 68.5.

### First Ascent of Khan-Tengri's North Face in 1988 by the "Yenisei" Sports Club Team, Category 6B Complexity.

Passport I. Altitude class. Central Tian-Shan, Tengri-Tag ridge. Peak Khan-Tengri, 6995 m, via the right part of the north face. Proposed — 6B category of difficulty, first ascent. Elevation gain: 2760 m, length — 3795 m, length of sections with 5–6 category of difficulty — 2260 m. Average steepness of the main part of the route 59.5° (4235–6895), including 6B category of difficulty 70° (5400–6030), 70° (6330–6620). Pitons driven: | Rock | Nuts | Ice screws | Bolts | | :--: | :-----: | :-------: | :------: |

Ascent to Khan-Tengri peak via the South-Southwest Edge, made in 1987 by a team of 7 climbers led by Viktor Polyak.

PASSPORT Category of mountaineering ascent Central Tian-Shan, Tengri-Tag ridge, S. Inylchek glacier Peak Khan-Tengri (6995 m) via SSW ridge 5B Height difference 2505 m, length 3850 m, length of sections with category U-VI difficulty 1180 m, category VI difficulty 100 m, category V difficulty 1080 m. Average steepness of the main part of the route: sections R0-R19 — 54°, sections R23-R27 — 47°, of which category VI difficulty at 80-90° — 100 m Pitons used: | rock | chocks | bolt pitons | ice screws | | :--: | :----: | :---------: | :-------: | | 58 | 11 | - | 59 |

Ascent record of Khan-Tengri peak via NE ridge of Chapayev Peak shoulder, category 5B, made by the team of Rostov regional alpine federation in 1996.

Ascent Passport Class of high-altitude ascents Tian Shan, Tengri Tag ridge Peak Khan Tengri via NE edge of p. Chapayeva's shoulder; Difficulty category — 5B. Elevation gain — 2910 m. Distance 6160 m. Distance of sections with V difficulty category 960 m. Average steepness of the main part of the route 40°. Team's travel hours — 18, days — 3.

### Second ascent of Mramornaya Stena peak (6350 m) via the right western counterfort of the North-West ridge, grade 5A.

Ascent Log Central Tian-Shan, Meridionalny Ridge, Bayankol valley, 7.17.06 Peak Marmor Wall (6350 m) via the right western counterfort of the Northwest ridge. Category 5A, second ascent. Route type: combined. Route elevation gain: 2650 m Route length: 4600 m Length of Category V sections — 930 m. Average slope Main part of the route 40° (4100 m – 6100 m)